This "little gallery in the middle of nowhere" is housed in a 170-year-old horse barn in the Missouri Ozarks.

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

A floating museum that was sunk by a flood and left to rot in the tides.

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

This whimsical statue marks the high water level from the Great Flood of 1993.

This interactive museum preserves the big aviation history of this small Missouri town

See the world's biggest spool of thread, along with the largest collection of sewing machines.

Explore the history and craftsmanship of a century of motorcycles at this St. Louis showroom.

The van that carried William Least-Heat Moon through the journey documented in the book 'Blue Highways' sits in the Mizzou archeological museum's storage.

An old tree that is the final resting place for many pair of shoes.

Three historic trains run on a half-mile track that features a tunnel.

The oldest soda fountain in St. Louis has been serving up treats for more than a century.

More than 12,000 years ago, this park was a playground for mastodons.

First crafted during the 19th century, the mill was fully restored in 1983.

The only mill in the state that features a covered bridge.

Stand at the point where the two mightiest rivers in the United States converge.

A version of this picturesque mill has existed since the 1800s.

The longest of the four remaining covered bridges in Missouri.

An underground river pushes more than 200 million gallons out of this Missouri spring every day.

When Joseph Marconnott died, he had a unique final wish: to be mummified and put on display.

From a canyon-like gorge, more than 20 million gallons of water emerge every day, while a smaller spring drips down, creating the illusion of an endless, gentle waterfall.

Rusted and decayed, this former mining site is a portal to the past.

The largest riverfront opening cave in the Ozarks.

It's as if the herds walked straight out of a fairy tale into the Missouri wilds.