This is a 2,4 km² public park in Brooklyn. The Park was designed by Frederick Law Olmsted and Calvert Vaux who designed also the mythic Central Park in NYC. You can go there to make some sports, there are a baseball fields, fitness activities and a lot of space to play Volley ball, Freesbie, Bocce ball, Football,…. whatever you want. You can also find the Prospect Park Zoo.
At night you can go and see free concerts.
On the picture you can see the Prospect Park Boathouse.