Once defending the city of New Orleans from invasion by sea, this fort faces an uncertain future.

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

A cemetery for only coon hounds in northwest Alabama.

Belly up to the bar in Cowtown, don't forget to buy some boots.

A modernist landscape of water and sci-fi concrete.

A mysterious drive-in nestled in the forest that leaves little to the imagination.

Park filled with machinery that drove the southern agriculture and oil industries forward.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

A museum dedicated to the alleged Roswell Incident.

Hidden in the New Mexico desert southeast of Roswell, nine small deep lakes formed inside sinkholes.

An abandoned town is hidden in Great Smoky Mountains National Park.

While knives are the main feature in this store, visitors will also find dinosaur bones and meteorites.

This building contains handprints that are well over a century old.

It may look like no more than a full-scale model, but every part of this full Space Shuttle stack had a working role in aviation history.

Around half a million years ago, these magnificent columnar basalt cliffs were formed from cooling lava.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

A beautiful geyser under environmental threat.

Monument to the cotton-destroying boll weevil.

Dothan, Alabama has been invaded by scores of anthropomorphic peanuts.

Once one of the largest producers of pig iron in the world.

The remains of an idyllic small town built for the film 'Big Fish' still stand around a rundown main street.

This knobby, drooping New Orleans oak is a favorite place both for climbing and for meeting giraffes.

This funicular railway rumbles along for a mile up the nearly vertical face of Chattanooga’s Lookout Mountain.