Baseball relics from iconic stadiums connect generations. Some are in museums, others remain hidden treasures.

The New York Mets have existed since 1962, making 2025 the team's 63rd season in Major League Baseball ... they shared a ballpark known as the Polo Grounds with the New York Giants.

Saturday night's game will kick off from Yankee Stadium — yes, the baseball field in the Bronx ... That game took place at the historic Polo Grounds, where several games between these teams ...