A museum of unusual collections, mini-towns, and a half-dog, half-alligator.

The first plantation museum in the United States to focus on the lives of enslaved people.

A Cajun-style Christmas on the river also involves sky-high pyres and explosives.

One of the longest water bridges in the world was built over a supposedly haunted swamp in Louisiana.

A miscalculation turns a very shallow freshwater lake into a very deep saltwater lake.

A dramatically eroding canyon thousands of miles from the desert.

In the mid-20th century, a tamale-slinging juke joint attracted a diverse clientele in the Mississippi Delta.

A preserved stretch of ancient fossilized trees with an impressive gem collection to boot.

The second-largest ceremonial mound in the United States is an artificial hill that is loosely shaped like a pentagon.

This monument to the victims of a tragic explosion is said to turn and look at passing cars.

Florence’s mother built a stairway down to her daughter’s coffin so she could comfort her during storms.

An eerie and beautiful group of columns mark the site of a grand mansion lost to time and fire.

Visitors can walk over the largest concentration of Columbian mammoths to have died from one event.

This small town Texas cemetery is said to be the burial site of a UFO pilot who crashed in the 1800s.

A registered historic landmark shrouded in unsettling local legends.

This historic hotel on Bathhouse Row in Hot Springs National Park has a storied history of gangsters and baseball greats.

The 19th-century ruins hide deep in an overgrown forest.

The legend of a local monster still haunts this small town.

Roadside attraction with more than 1,000 stuffed and mounted animal skins displayed in simulated natural habitats with hand-painted backdrops.

Foragers once flocked to this big beautiful bayou to hunt for pearls.

Collection of skeletal systems from the "world's leading supplier of osteological specimens."

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

A clear blue swimming hole with hidden caves, still unexplored.

Crumbling hotel echoes with the sounds of the '30s.