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

A 40-foot waterfall flows into this unique natural swimming hole.

This small turbine mill along Rocky Creek was built in 1928

It's as if the herds walked straight out of a fairy tale into the Missouri wilds.

A historic, scenic mill that was forced to close due to overlogging.

An average of 33 million gallons of water pour out of the collapsed cave at the heart of this spherical spring.

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

Around 50 million gallons of water flow from this spring every day.

Nestled in Onondaga State Park, over 100 canoes carefully stacked in a replica of the famous standing stones.

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