One of the largest-ever mental hospitals now sits abandoned, surrounded by 25,000 unmarked graves.

This "Plant Farm Museum" is home to the divinely inspired and visionary outsider artwork of Reverend Howard Finster.

Crumbling ruins mark the site of a couple's grisly murder in the woods.

They call this long foot bridge a swinging bridge, but really it's the bouncing you have to watch out for.

The remains of one of America's first radiation testing grounds still rest ominously in a Georgia forest.

A vision of beautiful Hindu architecture in the middle of the American South.

Healing Springs that once ran red with soldiers' blood.

The statues commemorate the legendary mass killing of escaped circus monkeys.

This intricate Hindu temple is the largest of its kind outside of India itself and was constructed like a giant puzzle.

Famous for its bio-luminescent inhabitants, known as "dismalites."

A former taxidermist has turned his old shop into a folk art mecca.

This natural wonder drops 16 stories straight down through rare flora and streaming waterfalls.

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

One person's lost luggage is another person's treasure.

The LSU mascot lived on the college campus in one of the most impressive tiger habitats in the country.

All that remains of this small town is its mass grave and a myth of a voodoo priestess who predicted its demise.

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

Religion and personal struggle gave birth to this collection of concrete angels.

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

A Rodeo for Prisoners.

The crumbling ruins of this southern American fort have survived storms, war, and cults.

A private museum dedicated to preserving the heritage of Mardi Gras' most beloved underdog parades, open by appointment.

A collection of oddities including Dr. Kevorkian's suicide device, the Thanatron.

The restaurant keeps a hidden séance room on the second floor and reserves a table for the spirit of the former owner each night.