The park preserves some of the last remaining open space surrounding New York Harbor. In addition to beaches and wildlife preserves, the park contains the remains of harbor fortifications and vestiges of military post life with extant structures dating as far back as the Civil War. Sites dealing with the early history of aviation, both civilian and military, can also be found within the park.
Museum holdings include significant archival and historical collections associated with local military and recreational activities. These collections include architectural drawings, photographs, uniforms, military manuals, etc. There is also an archeological collection and a natural history collection.
Specific collections include:
Gilmore Aviation Archives
James Lent photographs