In no order:

Tropicana
Wrigley
Comiskey (US Cellular)
*Old Busch
New Busch
*Tiger Stadium
Comerica
*Cinergy Field
*Old Marlins
New Marlins
Turner
AT&T
Petco
Dodger Stadium
LA Angels
Safeco Field
Fenway
Ballpark at Arlington
Camden Yards
Nationals
Miller Park


I think AT&T is my favorite so far. Next year I'll be adding the new Braves for sure. I was actually in Target Field in January. An employee escorted me down to the snow covered field. No game though, so it doesn't count. It was really nice of the guy though.