Here's the Polo Grounds as you've (maybe) never seen it - CBSSports.com
The Polo Grounds - Temporary home of the early NY Mets (1962 -1963)
The Polo Grounds, home of the NY Giants. Another one of baseball's iconic parks.
Aerial View of the Polo grounds during a baseball Game
Polo Grounds (3) (left) and Manhattan Field (aka Polo Grounds 2) (right) c.1900
StadiumPage.com - Polo Grounds Remains
Fans observe a game at the Polo Grounds from Coogan's Bluff, 1908
The Famout Willie Mays Catch @ Polo Grounds Game 1 1954 world series