Contrary to popular belief, this memorial does not actually claim to mark the bluesman's grave.

Believed to be the oldest active college baseball field in America.

An unexpected but incredible collection of wildlife dioramas spanning rainforests, swamps, forests, and plains.

The red brick house where the father of rock 'n' roll wrote some of his classic hits.

The world's largest collection of fine-scale miniatures and one the nation's largest collections of antique toys.

400 million-year old limestone caverns nestled in the Ozarks served as shelter and a hideout for cultures throughout North American history.

Erosion and time have created a naturally-formed water park.

Once an ambitious nature spa, these forest ruins now provide a serene monument to failure.

The world's largest man-made underground caverns offer unparalleled underwater wonders.

European castle ruins in an American state park are actually the product of death and grief.

Mobsters came for a soak in the hot springs, and stayed for the illegal gambling and bootlegging.

One of the most acclaimed eateries in Arkansas is a two-table diner on the ground floor of a family home.

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

For 150 years one family has been producing the iconic hot sauce on a bayou island made of salt.

In Florida, these naughty monkeys live on their own mini-monkey Alcatraz.

This home is decked out like a psychedelic explosion of colors and bowling balls.

Town of spiritualists and mediums in Florida.

Stay in a room with a view... of the bottom of the ocean.

Vienna's underworld of tunnels and subterranean rivers made an iconic appearance in a 1949 Orson Welles film.

Legends surround an ancient tree trunk riddled with nails for good luck.