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

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

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

Entombed in this strange, white stone hill are the deadly remains of radioactive weapons production.

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

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

While there are no actual snakes in the history of this crooked road, there may be a number of dead horses.

This is not your typical jungle gym.

This former small town was destroyed not by the motor oil it sprayed the ground with but by the toxic waste that was added.

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

Booker T. Washington's home at the Tuskegee Institute was a gem of splendor.

Designed by Maya Lin, the memorial honors 41 individuals who died fighting for equal rights between 1954 and 1968.

The remains of a chapel created for convenience.

South Carolina's last remaining slavery auction house is now a museum devoted to its own tragic history.

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

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.

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.

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

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

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