I love this word:

PHANTASMAGORIA

phan‧tas‧ma‧go‧ri‧a
  [fan-taz-muh-gawr-ee-uh, -gohr-]

–noun
1. a shifting series of phantasms, illusions, or deceptive appearances, as in a dream or as created by the imagination.

2. a changing scene made up of many elements.

3. an optical illusion produced by a magic lantern or the like in which figures increase or diminish in size, pass into each other, dissolve, etc.




[Origin: 1795–1805; < F fantasmagorie, compound based on fantasme; second element perh. repr. Gk agorá assembly, gathering; see]