Discussed in this video:
Novel- Apocalypse Now, adaptation of Joseph Conrad's Heart Of DarknessVia Neatorama.
Non-Fiction- Adaptation, adaptation of Susan Orleans' The Orchid Thief
Play- Throne Of Blood, adaptation of Shakespeare's MacBeth
Graphic Novel- Oldboy, adaptation of G. Tsuchiya and N. Minegishi's manga Old Boy
Misc.- O Brother Where Art Thou, adaptation of Homer's The Odyssey