An abandoned 19th century quarry in the middle of the woods, remade by unnamed wanderers into a massive series of rock thrones.

A stunning, two-tiered waterfall made famous by poets, artists and the legend of a ghost dog.

The abandoned ruins of America's first private zoo are open for exploration in the Catskills.

The schoolhouse where Jesse Merwin, the inspiration for the "The Legend of Sleepy Hollow" character, once taught.

This one-man homegrown eatery may be the world's most exclusive restaurant with its five-year waiting list.

In the woods of New Jersey lie the ruins of a munitions village abandoned after World War I and the remnants of a 1920s wooden racetrack.

Series of storm drains connected to a dark urban legend.

This tiny New Jersey village has lived many lives but seems determined to remain a ghost town.

A storefront museum in Asbury Park honoring the Jersey Shore’s deep history of mystery—including the Jersey Devil.

Filled with history, this cemetery is maintained each summer by a few hungry goats.

A simple plaque remembers an act of WWI terrorism that obliterated an island and forever scarred the Statue of Liberty.

This unassuming retro burger joint was billed as “diner of the future” at the 1939 World's Fair.

Now abandoned, the first public health hospital in the U.S. saw more than one million immigrants from around the world.

Hidden in plain sight on the Hudson River is an abandoned train station where nature has taken over.

America's greatest forgotten garden and the former stomping grounds of Son of Sam.

A whimsical monument deep in this park commemorates the groups that helped build it.

An abandoned horticulture institute gloomily presides over rows of derelict and vine-wrought greenhouses.

One of the earliest bowling lanes in the U.S. doubled as a sewing school during a time when women had little job opportunity.

A beautiful, historic location open to the public.

This dilapidated castle-like structure overlooks the Hudson River at one of its widest points and was once home to nuns.

This once-grand marvel of engineering is now 41 miles of scenic hiking trail.

Relics given to a Manhattan church to avoid seizure by the Italian government.

A strangely angled West Village home is the only monument to an explosion that took the lives of three American revolutionaries.

A hidden "place of interment for gentlemen."