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* The Nexus in ''VideoGame/HeroesOfTheStorm'' is implied to be one, connecting through the universes of various [[Creator/BlizzardEntertainment Blizzard]] games and franchises like ''Franchise/{{Starcraft}}'', ''VideoGame/{{Warcraft}}'', ''VideoGame/{{Diablo}}'', ''VideoGame/{{Overwatch}}'', and even to the classic ones like the ''VideoGame/TheLostVikings''.
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* The Nexus in ''VideoGame/HeroesOfTheStorm'' is implied to be one, connecting through the universes of various [[Creator/BlizzardEntertainment Blizzard]] games and franchises like ''Franchise/{{Starcraft}}'', ''VideoGame/StarCraft'', ''VideoGame/{{Warcraft}}'', ''VideoGame/{{Diablo}}'', ''VideoGame/{{Overwatch}}'', and even to the classic ones like the ''VideoGame/TheLostVikings''.
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* The Nexus in ''VideoGame/HeroesOfTheStorm'' is implied to be one, connecting through the universes of various [[Creator/BlizzardEntertainment Blizzard]] games and franchises like ''Franchise/{{Starcraft}}'', ''VideoGame/{{Warcraft}}'', ''VideoGame/{{Diablo}}'', ''VideoGame/{{Overwatch}}'', and even to the classic ones like the ''VideoGame/TheLostVikings''.
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* ''Literature/TheMagiciansNephew'' has a universe/dimension referred to only as "The Wood Between the Worlds". It's a forest that stretches as far as the eye can see, dotted with [[PortalPool pools of ankle-deep water]]. With the proper magic (such as the rings created by Digory's uncle) these pools become a portals to other universes, like our Earth or the land of Narnia.
to:
* ''Literature/TheMagiciansNephew'' has a universe/dimension referred to only as "The Wood Between the Worlds". It's a forest that stretches as far as the eye can see, dotted with [[PortalPool pools of ankle-deep water]]. With the proper magic (such as the rings created by Digory's uncle) these pools become a portals to other universes, like our Earth or the land of Narnia. To prevent malicious exploitation, the realm induces sleep in anyone that stays too long.
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* ''KillSixBillionDemons'' has the city of Throne, which is heaven, and the King's Doors, which link it to the 777,777 worlds/universes created by the gods.
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* ''KillSixBillionDemons'' ''Webcomic/KillSixBillionDemons'' has the city of Throne, which is heaven, and the King's Doors, which link it to the 777,777 worlds/universes created by the gods.
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[[AC: FanWorks]]
* In the MagicalGirl CrossOver ''FanFic/ShatteredSkies'', the Lighthouse is a crystalline structure in [[VoidBetweenTheWorlds interdimensional space]] that works like this. Refugees [[Franchise/SailorMoon from]] [[Manga/CardcaptorSakura five]] [[Franchise/PrettyCure different]] [[Franchise/LyricalNanoha parallel]] [[Franchise/MadokaMagica universes]] are brought there to escape the [[ApocalypseHow destruction of their homes]].
* In the MagicalGirl CrossOver ''FanFic/ShatteredSkies'', the Lighthouse is a crystalline structure in [[VoidBetweenTheWorlds interdimensional space]] that works like this. Refugees [[Franchise/SailorMoon from]] [[Manga/CardcaptorSakura five]] [[Franchise/PrettyCure different]] [[Franchise/LyricalNanoha parallel]] [[Franchise/MadokaMagica universes]] are brought there to escape the [[ApocalypseHow destruction of their homes]].
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* Stephen King's "The Dark Tower" novels
* In KJ Taylor's first book, ''The Land of Bad Fantasy'', the protagonist comes from one of these, called Y'hyerd B'zeck. There, interdimensional travel is so common that there are various Advice for Dummies books about it, aspects are taught in school, and there is no semblance of whatever their original culture was.
* In KJ Taylor's first book, ''The Land of Bad Fantasy'', the protagonist comes from one of these, called Y'hyerd B'zeck. There, interdimensional travel is so common that there are various Advice for Dummies books about it, aspects are taught in school, and there is no semblance of whatever their original culture was.
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* Stephen King's "The Dark Tower" Creator/StephenKing's ''Literature/TheDarkTower'' novels
* In KJ Taylor's first book,''The Land of Bad Fantasy'', ''Literature/TheLandOfBadFantasy'', the protagonist comes from one of these, called Y'hyerd B'zeck. There, interdimensional travel is so common that there are various Advice for Dummies books about it, aspects are taught in school, and there is no semblance of whatever their original culture was.
* In KJ Taylor's first book,
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* Quentaris with its rift caves (acts mostly as a one-city-world) is a variation. While many worlds trade through the rifts, many also do not know of their existence. Quentaris also has a greater concentration of rifts than any of the other worlds, which have few or no others.
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* Quentaris ''Literature/TheQuentarisChronicles'': Quentaris, with its rift caves (acts mostly as a one-city-world) is a variation. While many worlds trade through the rifts, many also do not know of their existence. Quentaris also has a greater concentration of rifts than any of the other worlds, which have few or no others.
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* Crossroad of Nick O'Donohoe's Crossroads trilogy (''The Magic and the Healing'', ''Under the Healing Sign'', and ''The Healing of Crossroads''). Some inhabitants there can go to and from there at will, but most end up there by mistake. It's very much a refuge of mythological species.
to:
* Crossroad of Nick O'Donohoe's Crossroads ''Literature/{{Crossroads}}'' trilogy (''The Magic and the Healing'', ''Under the Healing Sign'', and ''The Healing of Crossroads''). Some inhabitants there can go to and from there at will, but most end up there by mistake. It's very much a refuge of mythological species.
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* The Neitherlands in ''Literature/TheMagicians'' are an intentional variation on "The Woood Between the Worlds" of the Narnia series.
* In ''[[Creator/LyndonHardy Secret of the Sixth Magic]]'' the demon's realm acts as a one-way version as fires in any realm all lead to it. In ''Riddle of the Seven Realms'' the titular question is if all fires lead to the demon's realm, where would a fire in the demon's realm lead? [[spoiler:To the VoidBetweenTheWorlds, which would destroy all the realms]].
* In ''[[Creator/LyndonHardy Secret of the Sixth Magic]]'' the demon's realm acts as a one-way version as fires in any realm all lead to it. In ''Riddle of the Seven Realms'' the titular question is if all fires lead to the demon's realm, where would a fire in the demon's realm lead? [[spoiler:To the VoidBetweenTheWorlds, which would destroy all the realms]].
to:
* The Neitherlands in ''Literature/TheMagicians'' are an intentional variation on "The Woood Wood Between the Worlds" of the Narnia series.
* In''[[Creator/LyndonHardy Secret of the Sixth Magic]]'' Creator/LyndonHardy's ''Literature/SecretOfTheSixthMagic'' the demon's realm acts as a one-way version as fires in any realm all lead to it. In ''Riddle of the Seven Realms'' the titular question is if all fires lead to the demon's realm, where would a fire in the demon's realm lead? [[spoiler:To the VoidBetweenTheWorlds, which would destroy all the realms]].
* In
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* ''SuperMario64'': The paintings in Peach's castle act as portals to each of the game's 11 stages, which Mario has to enter to retrieve the Power Stars.
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* ''SuperMario64'': ''VideoGame/SuperMario64'': The paintings in Peach's castle act as portals to each of the game's 11 stages, which Mario has to enter to retrieve the Power Stars.
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* In ''TabletopGame/EclipsePhase'' the Solar system has at least five Pandora Gates, which for some unknown reason aren't all capable of dialing into the same systems. Most other systems have one, but the creatively-named Portal has six Gates that are not only on the same planet but clustered within a 1-kilometer radius. Of course, like every other known exosystem, Portal is [[NothingIsScarier currently uninhabited]], save for one of the largest Transhuman colonies outside the Solar system.
to:
* In ''TabletopGame/EclipsePhase'' the Solar system has at least five Pandora Gates, which for some unknown reason aren't all capable of dialing into the same systems. Most other systems have one, but the creatively-named Portal has six Gates that are not only on the same planet but clustered within a 1-kilometer radius. Of course, like every other known exosystem, Portal is [[NothingIsScarier currently uninhabited]], save for one of the largest Transhuman colonies outside the Solar system.
radius, while Sunrise has seven Gates spaced equally around its' equator.
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* ''Webcomic/MissingMonday'' features a maze of twisting corridors lined with with doors to many worlds.
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* ''KillSixBillionDemons'' has the city of Throne, which is heaven, and the King's Doors, which link it to the 777,777 worlds/universes created by the gods.
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* Stephen King's "The Dark Tower" novels
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* ''VideoGame/DragonAgeInquisition'' has a pocket realm on the edge between the mundane world and the [[DreamWorld Fade]] where the ancient elves' [[MagicMirror Eluvian]] network had a hub. It's specifically called the "Crossroads".
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* ''VideoGame/DragonAgeInquisition'' has a pocket realm on the edge between the mundane world and the [[DreamWorld [[DreamLand Fade]] where the ancient elves' [[MagicMirror Eluvian]] network had a hub. It's specifically called the "Crossroads".
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* ''VideoGame/DragonAgeInquisition'' has a pocket realm on the edge between the mundane world and the [[DreamWorld Fade]] where the ancient elves' [[MagicMirror Eluvian]] network had a hub. It's specifically called the "Crossroads".
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nightmare ned
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* The Quilt in ''VideoGame/NightmareNed'', where all 5 nightmare worlds are represented by a symbol on one of its patches. It's subverted in that aside from aside you being able to instantly return to it at will (at the cost of one of your 8 hours), there are also hidden doorways within the nightmares themselves that can be used as shortcuts between each world.
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* ''VideoGame/{{Riven}}'' has the 233rd Age, which contains linking books to all of Riven's islands, and is the only way to access Prison Island.
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* In ''[[Creator/LyndonHardy Secret of the Sixth Magic]]'' the demon's realm acts as a one-way version as fires in any realm all lead to it. In ''Riddle of the Seven Realms'' the titular question is if all fires lead to the demon's realm, where would a fire in the demon's realm lead? [[spoiler:To the VoidBetweenTheWorlds, which would destroy all the realms]].
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* The Neitherlands in ''Literature/TheMagicians'' are an intentional variation on "The Woood Between the Worlds" of the Narnia series.
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* In ''TabletopGame/EclipsePhase'' the Solar system has at least five Pandora Gates, which for some unknown reason aren't all capable of dialing into the same systems. Most other systems have one, but the creatively-named Portal has six Gates that are not only on the same planet but clustered within a 1-kilometer radius. Of course, like every other known exosystem, Portal is [[NothingIsScarier currently uninhabited]], save for one of the largest Transhuman colonies outside the Solar system.
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[[AC: Webcomics]]
* ''Webcomic/{{Kaspall}}'' gets a lot of people from other dimensions falling through unstable portals, unfortunately they can't seem to go back. There is also a stable PortalNetwork but it only connects locations within the city.
* ''Webcomic/{{Kaspall}}'' gets a lot of people from other dimensions falling through unstable portals, unfortunately they can't seem to go back. There is also a stable PortalNetwork but it only connects locations within the city.
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* The {{Nightside}} from SimonRGreen's novel series is a hidden urban center full of Timeslips to distant eras or alternate histories, passageways to alien realities and planes of existence, and BiggerOnTheInside pocket dimensions. Characters such as the Doormouse or the proprietors of the Mammon Emporium have actually commercialized this trope, using portals for architecture, transportation, and importation of exotic goods.
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* The {{Nightside}} Literature/{{Nightside}} from SimonRGreen's Creator/SimonRGreen's novel series is a hidden urban center full of Timeslips to distant eras or alternate histories, passageways to alien realities and planes of existence, and BiggerOnTheInside pocket dimensions. Characters such as the Doormouse or the proprietors of the Mammon Emporium have actually commercialized this trope, using portals for architecture, transportation, and importation of exotic goods.
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Compare PortalNetwork, more often found in sci-fi where many worlds are equally interlinked by a portal transport system; contrast VoidBetweenTheWorlds, the space through which the portals pass. Also compare InnBetweenTheWorlds, the single-room/building version which is itself outside reality. It may also be used as a ExtraDimensionalShortcut.
to:
Compare PortalNetwork, more often found in sci-fi where many worlds are equally interlinked by a portal transport system; contrast VoidBetweenTheWorlds, the space through which the portals pass. Also compare InnBetweenTheWorlds, the single-room/building version which is itself outside reality. It may See also be used as a ExtraDimensionalShortcut.
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!!Examples
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Compare PortalNetwork, more often found in sci-fi where many worlds are equally interlinked by a portal transport system; contrast VoidBetweenTheWorlds, the space through which the portals pass. Also compare InnBetweenTheWorlds, the single-room/building version which is itself outside reality.
to:
Compare PortalNetwork, more often found in sci-fi where many worlds are equally interlinked by a portal transport system; contrast VoidBetweenTheWorlds, the space through which the portals pass. Also compare InnBetweenTheWorlds, the single-room/building version which is itself outside reality. \n It may also be used as a ExtraDimensionalShortcut.
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* The Manticore system in the ''Literature/HonorHarrington'' series sits near a NegativeSpaceWedgie dubbed the [[OurWormholesAreDifferent Manticore Wormhole Junction]], a cluster of six [[spoiler:(later seven)]] wormholes connecting points hundreds of light-years apart. The Star Kingdom of Manticore's ownership of the junction has made them incredibly wealthy and also grants massive strategic advantages to their military, since they can get their forces around the galaxy much faster.
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* The world of ''[[Literature/HisDarkMaterials The Subtle Knife]], has many portals thanks to the [[AbsurdlySharpBlade titular object.]]
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* The world of ''[[Literature/HisDarkMaterials The Subtle Knife]], Knife]]'' has many portals thanks to the [[AbsurdlySharpBlade titular object.]]
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* ''VideoGame/NappleTale'' applies this trope in more than one way. In plot terms, [[DreamLand Napple World]] lies between life and death; in gameplay terms Napple Town is the HubLevel that connects all of the season-themed worlds which the main character must explore.
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* Crossroad of Nick O'Donohoe's Crossroads trilogy (''The Magic and the Healing'', ''Under the Healing Sign'', and ''The Healing of Crossroads''). Some inhabitants there can go to and from there at will, but most end up there by mistake. It's very much a refuge of mythological species.
to:
* Crossroad of Nick O'Donohoe's Crossroads trilogy (''The Magic and the Healing'', ''Under the Healing Sign'', and ''The Healing of Crossroads''). Some inhabitants there can go to and from there at will, but most end up there by mistake. It's very much a refuge of mythological species.
species.
* The city of Scalentine in the ''Literature/BabylonSteel'' novels sits at a planar convergence and has portals to several other worlds. As a byproduct of the meeting worlds, most magics are {{nerf}}ed while you're in town.
* The city of Scalentine in the ''Literature/BabylonSteel'' novels sits at a planar convergence and has portals to several other worlds. As a byproduct of the meeting worlds, most magics are {{nerf}}ed while you're in town.
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* In ''Comicbook/TheIncredibleHulk'' issue 300, DrStrange send a mindless rampaging Hulk to the "crossroads" from which he can enter any other world he wants, the plan being that the Hulk will find a world to his liking. If he enters a world and doesn't like it, Strange has placed a subconsious trigger in the Hulk's head to send him back to the crossroads again.
to:
* In ''Comicbook/TheIncredibleHulk'' issue 300, DrStrange send Comicbook/DoctorStrange sends a mindless rampaging Hulk to the "crossroads" from which he can enter any other "Crossroads," where all the worlds join, allowing him to choose the world he wants, the plan being that the Hulk will find a world wants to his liking. If live in. In case he enters a world and doesn't like it, isn't happy there, Strange has placed places a subconsious subconscious trigger in the Hulk's head to send him back to the crossroads Crossroads again.
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* In ''WesternAnimation/TheNightmareBeforeChristmas'', a grove of trees with holiday-themed doors provides passage between Halloween Town and Christmas Town.
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* The planet Freleng lies at the center of the galaxy in the ''WesternAnimation/LoonaticsUnleashed'' universe, where it functions as a portal junction. Control of planet Freleng is critical to a trio of villains bent on galactic conquest.
to:
* The planet Freleng lies at the center of the galaxy in the ''WesternAnimation/LoonaticsUnleashed'' universe, where it functions as a portal junction. Control of planet Freleng is critical to a trio of villains bent on galactic conquest.conquest.
----
----
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* Near the end of ''VideoGame/BioshockInfinite'' you will enter one of these and travel around to different {{Alternate Universe}}s.
to:
* Near the end of ''VideoGame/BioshockInfinite'' you will enter one of these and travel around to different {{Alternate Universe}}s.
Universe}}s.
* ''[[VideoGame/{{X}} X3: Terran Conflict]]'' and ''X3: Albion Prelude'' have the Hub, a sector consisting of a giant, spherical space station that can insert itself between up to three pairs of jumpgates, dramatically shortening routes across the gate network.
* The Reaper's Realm in ''VideoGame/NeverwinterNights: Hordes of the Underdark'' has doors to several worlds, although you can only use the one connecting back to Toril at first. [[spoiler:After Mephistopheles kills you, that door closes and the door to Cania, the Eighth Circle of Hell, opens.]]
* ''[[VideoGame/{{X}} X3: Terran Conflict]]'' and ''X3: Albion Prelude'' have the Hub, a sector consisting of a giant, spherical space station that can insert itself between up to three pairs of jumpgates, dramatically shortening routes across the gate network.
* The Reaper's Realm in ''VideoGame/NeverwinterNights: Hordes of the Underdark'' has doors to several worlds, although you can only use the one connecting back to Toril at first. [[spoiler:After Mephistopheles kills you, that door closes and the door to Cania, the Eighth Circle of Hell, opens.]]
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A world that contains access to many others, most of which are themselves unaware of the existence of portals/other worlds.
Where the Portal Crossroad World is populated and has widespread portal travel, expect the [[CultureChopSuey culture to be a strange mishmash of elements from other worlds.]]
Compare PortalNetwork, more often found in sci-fi where many worlds are equally interlinked by a portal transport system; contrast VoidBetweenTheWorlds, the space through which the portals pass. Also compare InnBetweenTheWorlds, the single-room/building version which is itself outside reality.
This is a common form of the video game mechanic, HubLevel.
----
!!Examples
[[AC: {{Comics}}]]
* In ''Comicbook/TheIncredibleHulk'' issue 300, DrStrange send a mindless rampaging Hulk to the "crossroads" from which he can enter any other world he wants, the plan being that the Hulk will find a world to his liking. If he enters a world and doesn't like it, Strange has placed a subconsious trigger in the Hulk's head to send him back to the crossroads again.
[[AC: {{Film}} - Animation]]
* ''Disney/TreasurePlanet'' itself is a planet-sized portal generator created long ago that was discovered by pirate Captain Nathaniel Flint. Flint used the portals to surprise merchant ships and plunder them ruthlessly, then store the captured booty on the centroid of the portal mechanism. This was how Treasure Planet got its name.
[[AC: {{Film}} - Live Action]]
* ''Film/{{Contact}}'' has HyperspaceLanes from many worlds all leading to the one place where [[spoiler: the aliens bring new sentient species to introduce themselves.]]
[[AC: {{Literature}}]]
* In KJ Taylor's first book, ''The Land of Bad Fantasy'', the protagonist comes from one of these, called Y'hyerd B'zeck. There, interdimensional travel is so common that there are various Advice for Dummies books about it, aspects are taught in school, and there is no semblance of whatever their original culture was.
* The world of ''[[Literature/HisDarkMaterials The Subtle Knife]], has many portals thanks to the [[AbsurdlySharpBlade titular object.]]
* From Stephen Donaldson's ''[[Literature/TheMirrorOfHerDreams Mordant's Need]]'' series, Mordant is this through the use of Imaging and the mirrors. Curved mirrors act as windows to other worlds, according to their shape and exact composition. An Imager is then able to summon what he sees through the mirror and into Mordant.
* Quentaris with its rift caves (acts mostly as a one-city-world) is a variation. While many worlds trade through the rifts, many also do not know of their existence. Quentaris also has a greater concentration of rifts than any of the other worlds, which have few or no others.
* ''Literature/TheMagiciansNephew'' has a universe/dimension referred to only as "The Wood Between the Worlds". It's a forest that stretches as far as the eye can see, dotted with [[PortalPool pools of ankle-deep water]]. With the proper magic (such as the rings created by Digory's uncle) these pools become a portals to other universes, like our Earth or the land of Narnia.
* The Arena in ''Literature/GrandCentralArena'', where every spaceship with a drive for FasterThanLightTravel ends up.
* The {{Nightside}} from SimonRGreen's novel series is a hidden urban center full of Timeslips to distant eras or alternate histories, passageways to alien realities and planes of existence, and BiggerOnTheInside pocket dimensions. Characters such as the Doormouse or the proprietors of the Mammon Emporium have actually commercialized this trope, using portals for architecture, transportation, and importation of exotic goods.
* Crossroad of Nick O'Donohoe's Crossroads trilogy (''The Magic and the Healing'', ''Under the Healing Sign'', and ''The Healing of Crossroads''). Some inhabitants there can go to and from there at will, but most end up there by mistake. It's very much a refuge of mythological species.
[[AC: TabletopGames]]
* The city of Sigil in ''TabletopGame/{{Planescape}}'' is also known as the City of Doors, because there are gateways to all known and unknown planes there.
* In the ''TabletopGame/ForgottenRealms'', one drow city has a whole bunch of portals to various places on the surface, and so is commonly used by raiding parties from various other cities.
[[AC: VideoGames]]
* ''VideoGame/MortalKombatDeception'' introduced the Nexus, a void-based HubWorld of sorts that opens portals to other realms with the use of the [[MacGuffin Kamidogu]].
* ''VideoGame/ChronoTrigger'' has the End of Time, a dimension that exists after time is eaten, containing portals to the different eras and can be used to access an early-game PeninsulaOfPowerLeveling.
* ''SuperMario64'': The paintings in Peach's castle act as portals to each of the game's 11 stages, which Mario has to enter to retrieve the Power Stars.
* Near the end of ''VideoGame/BioshockInfinite'' you will enter one of these and travel around to different {{Alternate Universe}}s.
[[AC:WesternAnimation]]
* The planet Freleng lies at the center of the galaxy in the ''WesternAnimation/LoonaticsUnleashed'' universe, where it functions as a portal junction. Control of planet Freleng is critical to a trio of villains bent on galactic conquest.
Where the Portal Crossroad World is populated and has widespread portal travel, expect the [[CultureChopSuey culture to be a strange mishmash of elements from other worlds.]]
Compare PortalNetwork, more often found in sci-fi where many worlds are equally interlinked by a portal transport system; contrast VoidBetweenTheWorlds, the space through which the portals pass. Also compare InnBetweenTheWorlds, the single-room/building version which is itself outside reality.
This is a common form of the video game mechanic, HubLevel.
----
!!Examples
[[AC: {{Comics}}]]
* In ''Comicbook/TheIncredibleHulk'' issue 300, DrStrange send a mindless rampaging Hulk to the "crossroads" from which he can enter any other world he wants, the plan being that the Hulk will find a world to his liking. If he enters a world and doesn't like it, Strange has placed a subconsious trigger in the Hulk's head to send him back to the crossroads again.
[[AC: {{Film}} - Animation]]
* ''Disney/TreasurePlanet'' itself is a planet-sized portal generator created long ago that was discovered by pirate Captain Nathaniel Flint. Flint used the portals to surprise merchant ships and plunder them ruthlessly, then store the captured booty on the centroid of the portal mechanism. This was how Treasure Planet got its name.
[[AC: {{Film}} - Live Action]]
* ''Film/{{Contact}}'' has HyperspaceLanes from many worlds all leading to the one place where [[spoiler: the aliens bring new sentient species to introduce themselves.]]
[[AC: {{Literature}}]]
* In KJ Taylor's first book, ''The Land of Bad Fantasy'', the protagonist comes from one of these, called Y'hyerd B'zeck. There, interdimensional travel is so common that there are various Advice for Dummies books about it, aspects are taught in school, and there is no semblance of whatever their original culture was.
* The world of ''[[Literature/HisDarkMaterials The Subtle Knife]], has many portals thanks to the [[AbsurdlySharpBlade titular object.]]
* From Stephen Donaldson's ''[[Literature/TheMirrorOfHerDreams Mordant's Need]]'' series, Mordant is this through the use of Imaging and the mirrors. Curved mirrors act as windows to other worlds, according to their shape and exact composition. An Imager is then able to summon what he sees through the mirror and into Mordant.
* Quentaris with its rift caves (acts mostly as a one-city-world) is a variation. While many worlds trade through the rifts, many also do not know of their existence. Quentaris also has a greater concentration of rifts than any of the other worlds, which have few or no others.
* ''Literature/TheMagiciansNephew'' has a universe/dimension referred to only as "The Wood Between the Worlds". It's a forest that stretches as far as the eye can see, dotted with [[PortalPool pools of ankle-deep water]]. With the proper magic (such as the rings created by Digory's uncle) these pools become a portals to other universes, like our Earth or the land of Narnia.
* The Arena in ''Literature/GrandCentralArena'', where every spaceship with a drive for FasterThanLightTravel ends up.
* The {{Nightside}} from SimonRGreen's novel series is a hidden urban center full of Timeslips to distant eras or alternate histories, passageways to alien realities and planes of existence, and BiggerOnTheInside pocket dimensions. Characters such as the Doormouse or the proprietors of the Mammon Emporium have actually commercialized this trope, using portals for architecture, transportation, and importation of exotic goods.
* Crossroad of Nick O'Donohoe's Crossroads trilogy (''The Magic and the Healing'', ''Under the Healing Sign'', and ''The Healing of Crossroads''). Some inhabitants there can go to and from there at will, but most end up there by mistake. It's very much a refuge of mythological species.
[[AC: TabletopGames]]
* The city of Sigil in ''TabletopGame/{{Planescape}}'' is also known as the City of Doors, because there are gateways to all known and unknown planes there.
* In the ''TabletopGame/ForgottenRealms'', one drow city has a whole bunch of portals to various places on the surface, and so is commonly used by raiding parties from various other cities.
[[AC: VideoGames]]
* ''VideoGame/MortalKombatDeception'' introduced the Nexus, a void-based HubWorld of sorts that opens portals to other realms with the use of the [[MacGuffin Kamidogu]].
* ''VideoGame/ChronoTrigger'' has the End of Time, a dimension that exists after time is eaten, containing portals to the different eras and can be used to access an early-game PeninsulaOfPowerLeveling.
* ''SuperMario64'': The paintings in Peach's castle act as portals to each of the game's 11 stages, which Mario has to enter to retrieve the Power Stars.
* Near the end of ''VideoGame/BioshockInfinite'' you will enter one of these and travel around to different {{Alternate Universe}}s.
[[AC:WesternAnimation]]
* The planet Freleng lies at the center of the galaxy in the ''WesternAnimation/LoonaticsUnleashed'' universe, where it functions as a portal junction. Control of planet Freleng is critical to a trio of villains bent on galactic conquest.
