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

Home with Gothic windows featured in a famous painting.

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

Curious cave that stays a cool 56 degrees all year long.

A number of gruesome unsolved murders have turned this simple home into a morbid tourist trap.

A wonderful collection of all things Oz is nestled in the heart of Kansas.

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

These elevated trucks were put in place as a middle finger to The Man, but are now considered folk art.

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

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

Two hundred tons of pioneer artifacts were painstakingly recovered from a shipwreck at the bottom of the Missouri River.