A collection of unique outdoor sculptures surounded by the beauty of nature.

The largest known open fault in the United States is basically a giant natural refrigerator.

A retired subway car stands alone in a field in the middle of Queens.

"Gnome Chomsky" was once the largest gnome in the world, but is now simply tall for his kind.

Final resting place of two dozen New York City harbor ships.

A 19th century hat factory still stands as a crumbling ruin in upstate New York.

Eclectic architecture in the woods of New York.

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

Built hundreds of years ago this downtown iron barrier once protected a much despised king.

An old abandoned mining town in The Adirondacks where Theodore Roosevelt first learned of the shooting of President William McKinley.

Town full of spiritualists, some of whom are mediums, is still in full swing after 130 years.

A massive forgotten storehouse from 1913 on the Brooklyn Waterfront has a spectacular view of Brooklyn.

Those belting out show tunes might not realize this piano bar marks the site where Thomas Paine died in 1809.

The site of the deadly Triangle Shirtwaist Factory Fire.

A way to take your secrets to someone else's grave.

This lavish room at NYC's French Embassy is a rare relic from the end of the Gilded Age.

A six-story treehouse offers spectacular views of New York's Finger Lakes region.

Have a steam and some blini at this cafe in a century-old bathhouse.

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

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

The walls are decorated with whimsical murals painted by the creator of the Madeline franchise.

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

A room in New York City that contains 250 cubic yards of dirt worth a million dollars.

A masterpiece of LGBT art has been restored in what may now be the most valuable restroom in America.