Here's a cool little quiz that a friend shared with me.  Test your knowledge of the geography of the United States of America.

First (and only attempt): Score 94%, Avg Error: 9 miles, Time: 563 seconds.

Update 07/26/2005:  On a whim, I thought I'd try it again.  Including one accidental slip of the mouse, my new results:
Score: 96%, Avg Error: 5 miles, Time: 383 seconds