One of the largest free-standing structures ever built, this dirigible hangar is now simply a giant skeleton.

Visit the site of a subway powered by nothing more than air--and lots of it.

A traveling postal dog covered 48 states and more than 140,000 miles, and he lives on as taxidermy, patched up with a rabbit's foot and a pig's ear.

The walls and streets of the ancient city are peppered with penises.

Island ghost town detailing Flagler's folly in building the Overseas Railroad.

"We Seceded Where Others Failed."

The birthplace of American international flight service has been turned into a celebrity's microbrewery.

The former home of the Nobel Prize-winning American writer is now home to dozens of six-toed cats.

An idyllic swimming pool tells the tale of Hemingway's trouble with women.

A subterranean display of public art and architecture.

This quirky UFO-shaped curiosity is often mistaken for the airport’s control tower.

The "lovely red Vega" of the legendary record-settling pilot.

The last holdout of a pre-Civil War rebel who took the matter of slavery into his own hands.

This Dresden church was purposely rebuilt Protestant after being demolished in World War II.

This dramatic rail curve was once the target of a failed Nazi attack.

The highway's southernmost spot is a beloved local attraction.

These crudely shaped folk giants may be the the second most photographed statues in the U.S.

The wooden airship was the largest flying boat ever built.

A multiversal transit station located right below a highway interchange.

This crumbling Art Deco movie palace in Mexico City has been abandoned for two decades.

"A hideous albatross in the Hudson River Valley."

The boulder on which Alexander Hamilton laid his head after a deadly duel can still be visited on the New Jersey coast.

What happens when a sculptor has to find a way around a 100-year-old copyright.

A posh members-only club with a literally dramatic history.