Taxidermy, Cigar Store Indians, A Model of a New York Tenement and Delicious Draft Root Beer.

Twice a year, this road is closed off to allow for the migration of thousands of snakes, reptiles and amphibians between cliffs and a swamp.

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

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

A museum dedicated to man's boldest venture.

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

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

Quirky water tower advertises the long-gone Brooks Tomato Products Co.

A big museum full of little worlds.

This mosaic-covered bar is brimming with curated curios.

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

Once one of the world's great cities, Cahokia was a place of religious worship, trade and mass human sacrifice before being mysteriously abandoned.

This is not your typical jungle gym.

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

What was meant to be a temporary exhibit is now a permanent fixture at the St. Louis Zoo filled with beautiful birds.

A kitschy, creepy St. Louis mainstay.

An abandoned meat mecca now serves as an excellent locale for urban exploration.

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

An abandoned factory along the Mississippi coated by a giant mural.

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

During the 19th-century, this park was a vital trading fort.

An urban forest overtakes what was the greatest failure of utopic urban housing.