In the Shawnee National Forest, amazing rock formations peer through the treeline.

This majestic tree has survived 400 years of storms, droughts, and floods, and is a beloved natural landmark in Missouri.

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

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

A museum dedicated to man's boldest venture.

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

This is not your typical jungle gym.