This three-mile concrete levee in Pueblo, Colorado was transformed into the world’s longest painting.

A multi-storied adobe complex has been inhabited for more than a thousand years.

A small metropolis of Pueblo cave dwellings have been carved right into the hillside of this national monument.

In a largely deserted ghost town, a little brick building recalls its history as a gold rush hub and haven for outlaws.

The final resting place of the living embodiment of the famous Forest Service symbol.

This old abandoned sign flickers to announce a motel that isn't even there.

An unusual bed & breakfast made of papercrete.

Amtrak's least-used stop in the entire country sits in a tiny West Texas town.

A time capsule of Floridian history fights to survive on the banks of Chokoloskee Bay.

One of many gator theme parks, abandoned in the sugar fields of South Florida.

The smallest post office in the United States is no bigger than a broom closet.

This spiny beast guards an artist's village while vying for the title of largest lobster in the world.

The sign that drew attention to a young boy's cucumber stand is now the name of his fruit superstore.

This post-war motel embodies a little-known, Miami-born architectural style.

The only swimming pool listed on the National Register of Historic Places is emptied and refilled each day with naturally filtered water.

This beautiful Miami garden was designed as a laboratory for tropical plants.

Former villa and estate of James Deering developed to preserve native tropical forests.

A perfect circle of 24 mysterious holes dates back to prehistoric times.

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

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

Located within a historic park, the beacon is the oldest standing structure in Miami.

This Art Deco theater is the last remaining opera house in the “little Broadway of the North.”