Explore North America's extremely wide range of natural environments.

Originally released by Academic Media Network, 2002. Streaming video file encoded with permission for digital streaming by Infobase on April 18, 2015.

Regions (3:01); --Atlantic and Gulf Coast Plains (1:49); -- Appalachian System (3:44); -- Canadian Shield (1:02); -- Central Lowlands (0:49); -- Great Plains (1:18); -- Rocky Mountain System (2:15); -- Intermontane Region (3:01); -- Pacific Coastlands (3:24); .