Eccentric concrete mansion and museum designed and built by hand from the inside out.

A historic covered bridge is but one example of an oddly prevalent American urban legend.

This stone tower marks a lookout point over the historic Washington Crossing, and maybe some buried treasure.

Frank Lloyd Wright built this suburban synagogue late in life, but it stands among his most iconic masterpieces.

This giant disembodied horse head seems to balance impossibly on its nose.

A glittering Thai Buddhist temple in suburban Pennsylvania.

One of the U.S. Forest Service's only mansions is outfitted with a dinner table for floating food.

Frank Lloyd Wright's most iconic home dangles over a Pennsylvania waterfall.

Most historians agree that the so-called "Gentleman Pirate" wasn't much of either of those things.

Settled in 1696, abandoned after the Revolutionary War.

North America's oldest authentic African Village.

On Hilton Head Island this bronze King of the Sea rules all things briny—and lets you know if you’re late for lunch.

South Carolina's last remaining slavery auction house is now a museum devoted to its own tragic history.

Despite being burnt down multiple times, the ruins of this South Carolina church are still standing.

This twisty sign depicts the chain's first logo.

A haunting—but not haunted—chapel remains in the woods.

These conical kilns measure an impressive 30 feet in diameter, and were once used to produce charcoal for a local blast furnace.

The feral felines of Roosevelt Island have a small army of allies and an abandoned hospital all to themselves.

Long the exclusive domain of birds and vagabonds, this little-known Central Park peninsula is open to the public once more.

Holding the most bodies of any cemetery in the United States.

In a Connecticut park, a statue pays tribute to the Indigenous people of this land.

A World War II-era submarine is stuck in the mud in New Jersey.

A reliquary of pop culture marvels, including the world's largest (and most terrifying) Jack-in-the-Box.

A once crucial portion of the Long Island railroad still lays abandoned, waiting to be turned into an urban park.