First a horse rendering plant, then a 19th century landfill, this beach is full of glass from thousands upon thousands of broken bottles.

Enormous one time fiber mill now houses local artists and small businesses.

A crumbling hospital from the 1850s on Roosevelt Island.

The remnants of two World's Fairs are here, complete with a 12-story globe, a mini-Manhattan, and a UFO-shaped pavilion.

Abandoned 19th century homes once occupied by naval officers, soon to be demolished.

The crown jewel of the Queens Museum is a nearly 10,000-square-foot architectural model of the city originally built for the 1964 World's Fair.

Historic Greenpoint theater, turned roller disco, now housing a chain pharmacy store.

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

Nature and beauty amidst pollution and industrial wreckage.

A terrific purveyor of natural history objects and curios.

A hidden "place of interment for gentlemen."

A modern addition to the Greenpoint skyline.

Avoid gangster interaction while window-shopping.

Prove you deserve to be fed by Kenny Shopsin.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

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

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

Lie in a hammock where George Washington stood.

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

In the middle of downtown Brooklyn lies a 165 year old secret hidden right below the surface (closed to the public indefinitely).

Ride the subways of yesteryear.

A picture-perfect town, perfect for blowing up.

A world-class observatory in the California desert.

Mysterious 500-year-old tapestries depict a unicorn hunt.