Art and Museum Sites

Mark Harden's Artchive: A great source of historical information on Western Art.
The American Visionary Art Museum: Contemporary art with a twist and home of the Baltimore Kinetic Sculpture Race.
Baltimore Museum of Art: A great collection of classic to contemporary works of art, including some glass peices from Louis Comfort Tiffany.
The Walters Gallery: Featuring classic art from ancient civilizations.

Other Sites of Interest

Baltimore's annual PowWow An August event just outside the city in Catonsville.