Lie in a hammock where George Washington stood.

Hordes of precariously balanced stone figures crowd the shores of the Hudson River.

The oldest house in Manhattan is now a museum that remembers the home's sordid history of scandals, vice-presidents, and ghosts.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

This ruined fort hidden at the top of Central Park can't seem to keep from losing its historical plaques.

The oldest surviving bridge in New York City, which reopened to pedestrians in 2015.

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

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

New York City's smallest piece of private property.

Sniff the Titan Arum's rotting flesh.

The "Seinfeld" diner.

A semi-scholarly approach to sex.

Elevated freight railway turned wildly successful urban park.

Manhattan’s Battery Park has a whimsical carousel full of spinning, glowing fish.

A tiny museum housed in a New York freight elevator specializes in the "overlooked, dismissed, or ignored."

A crumbling hospital from the 1850s on Roosevelt Island.

A ruined mansion hidden in the woods of the Hudson Valley, home of a tragically doomed romance.