One believer transformed a local curiosity into proof of Vikings on the Great Plains.

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

An extensive collection of fine art devoted to man's best friend.

A late sculptor's last project was to turn this abandoned cement factory into a castle-themed amusement park.

This mosaic-covered bar is brimming with curated curios.

This majestic tree has survived 400 years of storms, droughts, and floods, and is a beloved natural landmark in Missouri.

Another in a long tradition of legends regarding infernal seats.

A creepy sculpture of a decapitated head invites viewers to see St. Louis through its empty eyes.

Less a museum than a bizarre fantasy world created by artists and engineers.

This Wild West attraction is probably more fiction than history, but that doesn't mean it's not awesome.

One of the Eight Wonders of Kansas and the first official National Natural Monument these stark formations look like nature's Stonehenge.

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

The city of Rockford, Illinois is symbolically protected by a quartet of fittingly stony sentinels.

A bizarre house filled with an astounding array of collections.

The ravine where Jesse James supposedly performed an impossible jump to evade capture.

Where the author wrote her beloved "Little House" books.

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

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

A warning to the weak-kneed: This narrow bridge does its swinging eight stories high.