This basement museum explores the art and artistry of fascism.

The bronzed skull of a beheaded traitor was affixed to the city gate in the 17th century.

Potato-peeling mannequins, Inca art, and a dangling tuber mobile help trace the history of fries at this Belgian museum.

This solitary monastery may hold the remains of Vlad the Impaler (but probably not).

Toxic waste disaster that founded the Superfund program.

An unrealized dream to wirelessly electrify the entire Earth.

This high-perched pachyderm marks the memory of not one, but two elephants gunned down in small New England towns.

This former theme park in New York's Adirondack Mountains fell into ruin before being resurrected as a state-run campground

Empty, but not abandoned, this cavernous Brooklyn loading dock was once considered the largest individual building in the world.

The rough and tumble president's childhood home displays the shirt he was once shot in and the speech that saved him.

The site of a tragic massacre that spawned a multimedia franchise.

This futuristic airport terminal was abandoned for decades before reopening as a hotel—with a vintage plane of its own parked out back.

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.

Neon signs that grace the windows of Bergdorf Goodman's and Tiffany & Co. come from this studio in Brooklyn.

From scholastic to sepulchral - now under reconstruction.

A treasure trove of artifacts, books, and artwork from the "golden age" of exploration.

Tour the world's largest deep-hole dimension granite quarry, where you can view the plant where gravestones are made and roll a ball down the outdoor granite bowling alley.

More than five miles of underground passageways.

Two New York rooftops are home to the largest rooftop soil farms in the world.

Colorful clay cliffs tower over an unofficial nudist beach on Martha's Vineyard.

This stone tower in a small town's graveyard looks as though it would be more at home in a fairy tale.

A monument to the Mohawk people stands along an old Native American trade route.

This historic cemetery is filled with markers that look more like candy than was likely intended.