My Ballpark Rankings

The current number of stadiums where I have seen Major League games is 45 including all 30 of the 30 currently active stadiums.

Current National League Stadiums	Current American League Stadiums
AT&T Park	Angels Stadium
Busch Stadium (3)	Comerica Park
Chase Field	Fenway Park
Citizen’s Bank Park	Globe Life Field
Citi Field	Kauffman Stadium
Coors Field	Minute Maid Park
Dodger Stadium	O.co Coliseum
Great American Ballpark	Oriole Park at Camden Yards
Marlins Park	Progressive Field
Miller Park	Rogers Centre
Nationals Park	Safeco Field
PETCO Park	Target Field
PNC Park	Tropicana Field
SunTrust Park	U.S. Cellular Field
Wrigley Field	Yankee Stadium (2)

Former Major League Stadiums

3COM Park

Ballpark at Arlington

Busch Stadium (2)

Cinergy Field

Hubert H. Humphrey Metrodome

Memorial Stadium

Olympic Stadium

Qualcomm Stadium

RFK Stadium

Shea Stadium

Sun Life Stadium

Three Rivers Stadium

Turner Field

Veterans Stadium

Yankee Stadium (1)