Mark Dion is an artist known for works that comment on nature and classification systems. Some of his notable pieces include Polar Bear and Toucans from 1991, Ursus Maritimus (Polar Bear) from 1995, Scala Naturae from 1994, Flamingo from 2002, Library for the Birds of Massachusetts from 2005, The Octagon Room from 2008, and Mobile Wilderness Unit from 2009.

1. Mark Dion

2. Polar Bear and Toucans, 1991

3. Ursus Maritimus (Polar Bear), 1995

4. Ursus Maritimus (Polar Bear)
1992-2002

36. Scala Naturae, 1994

37. Flamingo, 2002

38. Library for the Birds of Massachusetts, 2005

39. The Octagon Room, 2008

40. Mobile Wilderness Unit, 2009