Visiting what remains of ballparks that are no longer or exploring other hardball sites off the beaten path can be rewarding. Take our photo tour below and click here for the complete story.

Polo Grounds, New York

A worker removes his hat April 10, 1964, to salute during the demolition of the Polo Grounds, home, at times, of the Yankees,
Giants and Mets. The wrecking ball is the same used to raze Ebbets Field in 1960. (Photo by Bruce Bennett Studio/Getty Images)