- Albert G. Spalding’s House
- Ammons Field
- Athletic Park
- Babe Ruth’s House
- Baker Bowl
- Birthplace of the Cuban Giants
- Birthplace of the Negro League
- Braves Field
- Broadway Grounds
- Brooklyn Excelsiors
- Buff Stadium
- Busch Stadium (2)
- Clarkin Field/Bulkeley Stadium
- Comiskey Park
- Connie Mack’s Birthplace
- Cook County Criminal Court
- County Stadium
- Crosley Field
- Doc Adams Birthplace
- Doc Adams’ Hometown
- Ebbets Field
- Eddie Plank’s House
- Elysian Field
- Exposition Park
- Fleischmanns Mountain Athletic Club Grounds
- Forbes Field
- Fulton County Stadium
- Greenlee Field
- Griffith Stadium
- Hartford Base Ball Grounds
- Harwood Baseball Shop
- Hilltop Park
- Homestead Grays Bridge
- Honus Wagner Historic Marker
- Hotel Buckminster
- Hubert’s Flea Circus
- Huntington Avenue Grounds
- La Palma Park
- Lane Field
- League Park
- Lexington Park
- Little League Birthplace
- Memorial Stadium
- Metropolitan Stadium
- Mile High Stadium
- Municipal Stadium (Cleveland)
- Municipal Stadium (Kansas City)
- Nicollet Park
- Parade Grounds
- Parkway Field
- Polo Grounds
- Ponce De Leon Park
- Republican House Hotel
- Shea Stadium
- Shibe Park/Connie Mack Stadium
- Sicks Stadium
- Site of the 1st Base Ball ByLaw
- South End Grounds
- Sportsman’s Park
- St. Mary’s Industrial School for Boys
- Tiger Stadium
- Ty Cobb’s Hometown
- Veterans Stadium
- War Memorial Stadium
- Willis Pond
- Worcester Agricultural Fairgrounds
- Yankee Stadium
The Ratzenberger Attic
at Ratzenberger.org
