Home of a 28-foot tall stalagmite known as the War Club.

The last holdout of a pre-Civil War rebel who took the matter of slavery into his own hands.

Take a steam-powered ride straight out of the past on this Appalachian rail line.

America's post-nuclear-attack chambers of Congress.

The museum calls itself the "National Museum of the Paranormal" and is full of eerie oddities.

A particularly creepy abandoned hospital that sparks interest for lovers of the supernatural.

This abandoned amusement park was built on a site with a dark history.

A subterranean haunt where wine and homemade biscottis are always on the menu.

The first car-centric shopping plaza in the U.S. brought a little bit of Spain to downtown Kansas City.

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

A kitschy, creepy St. Louis mainstay.

A 35-foot-tall fork stuck in the ground outside an office building in Missouri.

The maximum security facility was once thought to have "the bloodiest 47 acres in America."

This historic cliffside mansion uses a natural cave for air conditioning.

The house where the famed outlaw was shot by a dirty coward is now a museum to the criminal's legacy.

A cave 150 feet beneath Kansas City is the perfect climate for growing 10,000 delicate orchids.

A mysterious light of unknown origin on the backroads of Missouri.

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

The show pony of cave systems, Fantastic Caverns manages to live up to its name.

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

The "World's Largest Underground Business Complex," a 55,000,000-square-foot city underneath Missouri.

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

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

The history of the treatment of mental illness, illustrated in all its gory detail, and housed in an asylum.