Summer on the Hudson: Locomotive Open House 10:00 a.m. – 2:00 p.m. Location: Locomotive Lawn (in Riverside Park South) Category: Education, History, Best for Kids, Waterfront Free!

Marine Park Super Steward: Pathkeeper Training 10:00 a.m. – 1:00 p.m. Location: Seba Playground (in Marine Park) Category: Nature, Volunteer Free!

Astoria Pool - Lap Swim 7:00 a.m. – 8:30 a.m. Location: Astoria Pool (in Astoria Park) Category: Swimming/Aquatics Free!

Schist, which can be seen in J. Hood Wright Park, is an extremely strong and durable rock type. Deep below the buildings and busy streets of New York City, beneath the labyrinth of subway tunnels and ...

The Kids in Motion program engages children in active, outdoor play. An NYC Parks staff member leads four to seven hours of free activities in NYC’s playgrounds, including organized sports, games, ...