One of few surviving standpipe water towers in the U.S.

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

This is not your typical jungle gym.

This titanic oil company sign is a reminder of the Americana boom of the 1970s and also its commoditization.

What was once a presidential estate is now an exotic menagerie and home to the Budweiser Clydesdales.

The Magic House provides a beautiful and creative environment for curious youngsters to get their knowledge on.

A geological oddity formed by two rivers carving out a mass of limestone on both sides.

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

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

Like Stonehenge, but with boats and oodles more charm.

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.

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

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

The maximum security facility was once thought to have "the bloodiest 47 acres in America."

The world's second largest rocking chair is found on Route 66 in Cuba... Missouri.

A towering tribute to decisiveness stands on the spot where Brigham Young and his followers decided that this must be the place.

A house carved into a rock in the 1940s.

A bizarre house filled with an astounding array of collections.

Tiki luxury on Nob Hill.

Curiously, this large sporting goods store features 14 wax representations of American presidents.