The oldest Dutch colonial stone house in New York City is a hidden gem on the border of Brooklyn and Queens.

A decommissioned military complex that's now a modern industrial park.

A drawbridge named for a potentially intersex Polish national who fought alongside George Washington during the American Revolution, and an example of "Pulaski Red".

Church featuring "high Victorian gothic" architecture.

Behind a bodega is a small museum of relics and ephemera showcasing the history of New York.

This hidden oasis features a stunning view of the Hudson River and the Palisades from a castle-like museum.

This delicate museum is devoted to the art and industry that once supported Cape Cod's oldest town.

The first museum in the United States dedicated entirely to posters.

Eclectic collections, artwork, and some feline friends fill the writer's former home.

Four cars from the old system were once on display, but were removed in 2014.

An illegally built ramshackle mansion tucked in the middle of Brooklyn is now being turned into condominiums.

2 square block factory in Greenpoint erected in 1936.

Neoclassical bank designed by NY architects Helmle & Huberty.

Queen Anne style apartment house built in 1886.

Once a ferry dock, radio transmitter, and now a new Greenpoint park.

The return of something once considered a basic part of life.

Once called Winthrop Park in 1889, home to a decidedly sexy tribute to the Monitor vs. Merrimac battle.

For 20 years, local pumpkins have met their fate on the iron fence surrounding this Cobble Hill home.

Michael Jackson got Bad and Crocodile Dundee walked on heads in this iconic Brooklyn subway station.

The only surviving sidewalk clock in Brooklyn.

This enormous banquet-themed artwork honors over 1,000 notable women throughout history.

The famed amusement district marks the beginning of summer with a wild procession of nautical creatures.

Known as the "Forgotten City" it was home to industry, riots, artists, squatters, and to one of the largest single disaster fires in New York City.

A heartbreaking monument showing the last morning in the life of Jane Griffith.