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

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

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

A wax effigy of St. Valentine hides one of the saint's relics.

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

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

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.

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

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

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