A gem in the small Missouri town where Winston Churchill coined the term "Iron Curtain" and effectively began the Cold War.

Expansive and colorful studio of Minneapolis art-star, Doug Padilla.

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

This historic cliffside mansion uses a natural cave for air conditioning.

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

A mythical bird etched into the face of a rock doubles as the mascot for a nearby school.

A notorious Route 66 eatery once frequented by Al Capone.

Fresh wooden posts have been added to ancient holes to recreate a primitive henge clock.

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

First known as the "Sample House," this construction mash-up was meant to be a living catalogue of building styles.

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

Man-made geyser that rises to the exact height of the Gateway Arch.

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

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

A historic house in St. Louis was plagued by a series of suicides committed by family members involved in a successful brewery.

This is not your typical jungle gym.

Famous church recognized for both its unique design and disciplined monks that live according to the Benedictine discipline.

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

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

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

Where the author wrote her beloved "Little House" books.

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.