Houston, TX
Lansing, NY
Ithaca, NY
Baton Rouge, LA
Austin, TX
Big Bend, TX
Los Angeles, CA
Cincinnati, OH
San Francisco, CA
Portland, OR
Sacramento, CA
Fort Collins, CO
Near Gould, CO
Incline Village, NV
Shanghai, China
Shaoxing, China

The wonderful thing is not the number of places, but that they were seen multiple times, and involved so many friends.  May 2010 bring still more.