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

One of the world’s largest and deepest freshwater springs, where mastodons once roamed.

One of the only Florida forts to remain in the hands of the Union all through the Civil War still stands as a historic stronghold.

A 19th-century shrine covered with prosthetic body parts as votive offerings.

Thousands of Mexican Free-Tailed Bats soar around an abandoned storm drain at sunset each summer.

A self-built castle made by a mysterious man.

In this small Phoenix taxidermy emporium, you can find everything from a squid in a jar to a freeze-dried toad.

Louisiana's tallest waterfall is only a short hike away from the middle of nowhere.

This phone booth-sized municipal building has been a piece of police property for more than half a century.

Inside this art and oddity-filled shop, a small room filled with secrets.

This New Orleans boutique and nursery specializes in rare flora, with a focus on carnivorous plants.

A snapshot of the city's fascinating voodoo culture.

The oldest family-run restaurant in the United States is a living museum of New Orleans dining history.

An abandoned underground bunker not far from downtown New Orleans.

A former hospital is now home to a pizza parlor and maybe a few ghosts.

One of the best places in Florida to spot rare, carnivorous pitcher plants.

Alabama has a fiberglass Stonehenge. With apologies to Spinal Tap, this one is full-size.

Imagine playing a version of Legends of the Hidden Temple, but with a distinctly Southern Gothic flare.

This 19th-century sugarcane plantation is one of the most well-preserved estates of its kind, including its original quarters for enslaved laborers.

Located in a remote part of a Louisiana wildlife refuge, this tree has been standing for more than 1,200 years.

A reimagined 19th-century Acadian village featuring authentic Cajun-style homes filled with artifacts specific to the period.

Fantastic collection celebrating the final send-off.

In the late 1990s, a mechanic and fan bought this iconic sportscar back from the dead.

Tucked away down this Baytown alley exists a one-of-a-kind art exhibit of technicolor umbrellas.