A castle built for love, and abandoned due to heartbreak.

Rochester's signature culinary delicacy.

This sandstone gorge in New York State's Adirondack Mountains is home to waterfalls, flumes, and more.

It wouldn't be long after purchasing this farm, Brown would lead his siege on Harper's Ferry.

This immigrant bridge once spanned the Thames but is now a fixture of an Arizona city.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

The world's largest fully steerable radio telescope.

Berkeley Hot Springs presents to you "the only outdoor monument to presidential bathing."

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

An almost life-sized elephant named Ms. Ellie greets visitors at this jumbo-themed museum.

A mine fire has been burning under the deserted town since 1962, but this church is still going strong.

A local prank turned town icon.

An outlandish shoe shaped house built by an eccentric millionaire.

Once the "Eighth Wonder of the World," this iron railroad bridge was decimated by a tornado.

These tourist trap caverns are said to be the former home of a legendary Pennsylvania Hermit.

Bubbling up from deep underground is the warm crystal clear water that fills the Warm Springs Pools, America's oldest spa.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

The highest point in Tennessee, Clingmans Dome bears witness to the ravages of one type of insect.

The largest burial mound in the United States holds the remains of prehistoric West Virginians.

This rural community has attracted both scientists and techno-refugees due to its federally-mandated lack of technology.

One day a year it is legal to jump off of this astoundingly tall bridge that spans an Appalachian gorge.

Outsider art meets paleontology at this roadside reptile repository.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

Memorializing an American tragedy of massive proportions.