Free Morning Ferry Rides to Governors Island (Hidden Edition)
Free Sculpture Gardens at Socrates Park in Long Island City (Hidden Edition)
Free Sunset Walks Along Brooklyn Bridge Park Piers (Hidden Edition)
Pay-What-You-Wish Hours at the American Museum of Natural History (Hidden Edition)
Free Rooftop Sculpture Garden at the Met
Reading Hours in the Rose Main Reading Room at NYPL (Hidden Edition)
Free Sunset Strolls Through Green-Wood Cemetery
Free Staten Island Ferry Rides for Harbor and Skyline Views
Free High Line Walks and Wildflower Blooms in Chelsea
The Appellate Division rotunda: Manhattan's most-ignored Beaux-Arts ceiling
The Panorama of the City of New York — a room-sized 1964 map you can walk around
The Staten Island Borough Hall Rotunda: NYC's Emptiest Civic Theater
The NYC Fire Museum in SoHo — a 1904 firehouse that nobody remembers is open
The Municipal Archives street sign vault — Manhattan's free civic memory room
The 25-foot waterfall hidden one block from Grand Central
Ask Karpo for more information.