A museum dedicated to man's boldest venture.

In the St. Francois Mountains in the Ozarks at 1,772 feet above sea level, Taum Sauk Mountain is the highest (and possibly oldest) peak in Missouri.

Giant granite rocks standing end-to-end like a train of circus elephants.

This museum presents a dogged pursuit of 500 years of veterinary history.

This museum located in the "Corn Cob Pipe Capital of the World," chronicles the history of cob pipe.

Over 600 vacuum cleaners stack the shelves of what may be the cleanest museum in America.

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

The only pig museum in the U.S. holds one of the world's largest collections of pig items.

Destroyed by flood waters, prison now serves as a training ground for armed forces.

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

This abandoned prison castle has become an imposing gallery of graffiti art.

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

New fungal and bacterial species call this deadly lake home.

High in the Rockies the third largest statue in the U.S. opens her welcoming arms, and lights up the night sky.

This tiny movie theater was the last one in the U.S. constructed in the Nuevo Deco architectural style.

A classic carnival ride that was carved to be untouchable.