* [[FreudWasRight Freud Is Having a Field Day]]
* NightmareFuel: Arguably the most horrifying art of its time.
* OlderThanTheyLook: ''Literally''. Seriously, who hasn't looked at these paintings for the first time and thought they stemmed from the 20th century instead of the ''[[ReallySevenHundredYearsOld 1500s]]''? In other words, Bosch's paintings were actually pretty FairForItsDay, artistically speaking.
* WhatDoYouMeanItWasntMadeOnDrugs: Looking at Bosch's paintings can give you a headache.