A mysterious castle built as a monument to lost love.

The museum chronicling a treasure hunter's dream, fulfilled.

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

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

A monument celebrating the idea of reaching inaccessible places.

The island residents are known for taking their quirky sense of humor with them to the grave.

Near the ruins of a Civil War coastal fortress lies the only known African refugee cemetery in the United States.

"We Seceded Where Others Failed."

The largest freshwater lake in the Florida Keys.

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

This 140-year-old beacon off the Florida Keys marks the wreck of a Navy ship that once roamed the Caribbean hunting pirates.

A community of collapsing homes more than a mile out from the Florida coast.

An abandoned water sports stadium that has become a haven for graffiti and decay.

The behemoth beasts engaged in an epic battle is the second-tallest statue in the contiguous United States.

In a dry, neglected cemetery lies the unassuming grave of a soldier vilified in life but celebrated in death.

Only a few signs remain of the buried Colorado mining town that supplied the uranium for the first atomic bomb.

A Rocky Mountain city provides a happy ending for a pinto pony and his Brobdingnagian red chair.

A multiversal transit station located right below a highway interchange.

The Neolithic megalith was one of the first archaeological ruins protected by the British government.

The only royal palace on U.S. soil has been a territorial capitol, a military headquarters, and a prison for a queen.

Catacombs turned marketplace.

This constitutionally sound Muffler Man harkens back to the days these attractions were a must-see.

The remains of a historic ranch house that witnessed the Civil War battle dubbed the “Gettysburg of the West.”

Despite time, colonization, and the brutal New Mexican heat, these Pueblo ruins still stand.