"The crystal trees among them were hung with glass-like trellises of moss. The air was markedly cooler, as if everything was sheathed in ice, but a ceaseless play of light poured through the canopy overhead. The process of crystallization was more advanced. The fences along the road were so encrusted that they formed a continuous palisade, a white frost at least six inches thick on either side of the palings. The few houses between the trees glistened like wedding cakes, white roofs and chimneys transformed into exotic miniarets and baroque domes. On a law of green glass spurs, a child's tricycle gleamed like a Faberge gem, the wheels starred into brilliant jasper crowns."All That Glitters isn't just gold. They can also be diamonds. This is the area comprised mostly - if not entirely - out of crystals and gemstone-minerals. They may be protruding from the ground and could have been placed there by people or formed naturally. Such landscapes usually possess magical properties in one form or another, whether created through the Applied Phlebotinum of advanced societies or through the innate magical energy of a landscape. Due to its simultaneous beauty, mystery and danger, the magical nature of this kind of world makes them an Eldritch Location. Given that many types of gemstones can be found in caves, this trope often overlaps with Underground Level and Beneath the Earth. If made with evil intentions, it could be made as a form of Crystal Prison. Cousin to the City of Gold.
— J.G. Ballard, The Crystal World
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Anime & Manga
- In Pokémon 3, the Unown collectively grant the wishes of the young girl Molly, transforming her family's mansion into a palace made of pure crystal. Their corrupting influence proceeds to spread outward, turning everything else into pure crystal.
- Crystal Tokyo from Sailor Moon is a future Tokyo with a massive crystal palace in the center of the city.
- Present to varying degrees in the Land of Oz series. Some depictions (such as in the movie) of the Emerald City portray nearly everything there as being made of crystal. The books are inconsistent about many architectural details but the city is full of large crystals in The Marvelous Land of Oz. The Nome Kingdom has areas covered in crystals as well.
- The intrepid soldier in the Fairy Tale The Twelve Dancing Princesses surreptitiously follows the titular royalty through three groves of magical trees - one of gold, one of silver, and one of diamonds. The diamond tree grove is a Crystal Landscape.
- The forest around the Ice Citadel in Pandora's Star consists of crystalline trees. Ozzy finds this out the hard way when he tries to use one of the trees as firewood, only to discover that it isn't made of wood at all. The trees either evolved or were bio-engineered that way to survive the extreme cold.
- In On The Gem Planet by Cordwainer Smith, the titular world of Anderson is compromised mostly of precious gems and crystals. As a result the human inhabitants need to import soil, which they consider more valuable than rubies and diamonds.
Live Action TV
- On Threshold people infected by the alien signal tend to dream about a forest of glass trees.
- Dark Souls I has the Crystal Cave, lair of Seath the Scaleless; a deep chasm covered in giant (mostly blue) crystals and populated by crystal golems. The crystals have significance beyond just prettiness, since in the game, they are associated with sorcery (Seath's original invention)—and with the uglier sides of it in particular. "Golems" are actually people trapped in crystal shells, while prolonged tinkering with crystal-based magic chips away at the sorcerers' sanity.
- Space maps in Empire Earth have crystalline carbon deposits instead of trees.
- The Dragonbrand of Guild Wars 2 has many landscape features (plants, rocks, and even animals) turned to crystal. The Brand is a menacing, Mordor-like area, primarily due to the crystals, the scar of the crystal dragon Krakatorik's arrival.
- The Moon Kingdom from Klonoa: Door to Phantomile sits on (or perhaps is) a giant floating castle, with many parts of the castle made from crystal as well.
- In NiGHTS: Journey into Dreams, one of Helen Cartwright's Dream Lands in Nightopia manifests as Crystal Castle, also known as the Land of Glass. As its name implies, the world and everything in it is made of a crystalline glass.
- Pokémon Mystery Dungeon: Explorers has the dungeon Crystal Cave, an underground cave system made of blue and green crystals. The deepest part of the caves, Crystal Crossing, is where the Olympus Mon Azelf dwells, guarding a Cosmic Keystone.
- As the name implies, Crystal Flight from Spyro the Dragon (1998) is almost entirely composed of giant, jutting crystal.
- Glimmer from Spyro 2: Ripto's Rage! is a gem-mine worked upon by anthropomorphic kangaroo rats. The whole place has giant, perfectly-shaped gems jutting from the ground, with freshly harvested gems littering the ground (typical for a Spyro the Dragon game) with gem-based lighting for their Baseball games.
- The Crystal Islands from Spyro: Year of the Dragon were once a regular, non-crystal based world. Unfortunately, the Magicians from there ended up turning the inhabitants and the landscape into crystal with some of the Sorceress's magic that they stole.
- In the Command & Conquer: Tiberian Series, Tiberium can grow and extrude green or blue crystals. These crystal fields can spout out of the land, a rich source of resources... and full of dangers. Tiberium emits radiation, mutates lifeforms (including turning corpses into blob monsters), and can keep on growing without stopping. By the events of Command & Conquer 3: Tiberium Wars, whole countries are covered in the stuff, with glowing rock glaciers and dried up bays full of crystals.
- A Very Long Rope to the Top of the Sky: The Saecelium Mine, whose walls are covered in blue crystal formations.
- Recettear: An Item Shop's Tale: The Lapis Core room, which has large formations of elemental crystals scattered around the area.
- In the forests of the West Zone in Hyper Light Drifter. Vast amounts of pale green crystals litter the ground. Large crystals can be broken to refuel weapon energy, but the small shards on the ground are very dangerous.
- The lands of Mor Dhona in Final Fantasy XIV is mostly crystallized due to a event known as the Battle of Silvertear Skies where the Garlean Empire moved to dominate the land of Eorzea with their flying super-dreadnought, the Agrius. Not long after the invasion was started it was ended when the Keeper of the Lake, Midgardsormr, summoned an army of dragons with mutual destruction of both parties. Over the next five years, the fuel used by the airships and the bodies of the decaying dragons caused the land to crystallize and large crystal structures to emerge from the ground.
- Tales of Hearts: The Spir Mazes, labyrinths formed inside people's hearts where the core of their Spiria (the essence of their feelings) resides. They are composed entirely of crystal pathways and gemstones, and the only living beings are the Xerom who invade them in an attempt to consume that person.
- Babus's postgame recruitment mission in Final Fantasy Tactics Advance takes you to the Ambervale. Instead of the palace where you fought the final boss, however, the battle takes place in a cave made of colorful crystals. Some of the maps for Tubola Cave are also made mostly of mythril formations.
- Child of Light has crystal caves beneath the Cynbel Sea, and some of the crystals deal damage via spikes or electricity.
- My Little Pony: Friendship Is Magic introduces the Crystal Empire, an entire city of crystal architecture. In the season four finale, Princess Twilight Sparkle receives her own crystal palace.
- Steven Universe loves this trope. Numerous rooms in the temple are decorated with crystal outcroppings and many of the locations the protagonists visit early in the series are full of sparkly crystal ornaments.
- The Crystal Dimension from Adventure Time is a dimension composed almost entirely of crystal, inhabited by magical beings like crystal people, Rainicorns and anthropomorphic dogs.
- As depicted in Avatar: The Last Airbender and The Legend of Korra, the catacombs beneath Ba Sing Se are littered with luminous green crystals, which come in handy for any Earthbenders nearby. The catacombs often are used to hold enemies of the Earth Kingdom, since they're deep underground and naturally well-lit.
- Because Trolls from Trollhunters live underground, the various caverns are filled with vast mountains of crystals, many of which are magical in nature.
- The Cave of the Crystals in Mexico has gypsum crystal formations larger than a person.