23 parks visited by Christian Carlsen
Bayfront Park
Carnegie Hill Historic District
Central park
Chelsea Historic District
Columbus Park
Cooper Green
Crandon Park
Fire Island National Seashore
Gramercy Park Historic District
Green Park
Grüneburgpark
Hudson River Waterfront Walkway
Hyde park
Parc de la Ciutadella
Riverside Park
Saint Mark's Historic District
SoHo Cast Iron Historic District
South Pointe Park
Stadtpark
Sutton Place Park
Tiergarten park
