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

The only Florida state park with publicly accessible caves.

A Memphis park where you can walk the whole Mississippi River in one go.

A wealth of local folk art, antiques, and curios, without ever leaving your car.

These faux-cliff dwellings allow visitors to climb around on a replica archaeological site.

Life-sized sculpture of a blue whale made of hand-recycled plastic trash.

Railroad came. People came. Railroad left. Town died.

One man has installed bathtubs into the Utah desert floor to harness the powers of a natural hot spring.

Given just one more year to live, Conrad Schuck built his dream house in Bartow, Florida.

This naturally heated mountainous creek has created a group of neon blue pools of potentially deadly boiling water.

You'll need cowboy boots to trek to this old-fashioned saloon nestled in a giant natural cave.

Mile-long cave system near Great Smoky Mountains.

An otherworldly musical haven in The Big Easy.

Open since 1938, this diner has kept its fountain, malt machine, and all the gum that greasers left beneath its counter.

The perfectly named cave drop is the deepest in the continental United States, almost matching the height of Seattle’s Space Needle.

Fittingly, America's museum of architecture is itself a magnificently designed old building.

This eerily well-preserved coal town was saved from destruction by a Sean Connery movie.

Back in 1952, you could get a mushroom cloud chaser with your atomic cocktail.

A cabin completely covered in coffee mugs, where visitors are welcome to leave one of their own—if they can find an empty nail.

The remains of the iconic train crash from the movie The Fugitive can still be found rusting along the Great Smoky Railroad.

This bright yellow relic is the final survivor of a short burst of seashell-shaped petrol pumps.

The old Route 66 town straddling Texas and New Mexico died along with the Main Street of America.

Legends surround this jagged rock formation in the New Mexico desert.

These towering spires and glowing walls are carefully crafted from hundreds of thousands of icicles.