After just one epic test blast, this literal loose cannon proved too explosive for combat.

The mysterious 855-foot zigzagging stone wall has been baffling people for centuries.

One of corporate America's best-kept secrets is also one of the most publicly displayed.

These ancient ritual mounds are our best window into the culture of the ancient Mississippians.

A white oak with property rights.

The largest puppetry museum in the United States houses the world's most complete collection of Jim Henson artifacts.

Ruins of a Carnegie family mansion on Cumberland Island.

Bad farming practices caused this unnatural natural wonder.

A bizarre roadside attraction and the first instance of miniature golf in the world.

A propulsion engine testbed that paved the way for the Space Shuttle launch sits without recognition at this rocket center.

It may look like no more than a full-scale model, but every part of this full Space Shuttle stack had a working role in aviation history.

Come for the boats, stay to explore the intriguing assortment of art.

Alabama has a fiberglass Stonehenge. With apologies to Spinal Tap, this one is full-size.

One person's lost luggage is another person's treasure.

This coastal port saw one of the most significant battles of the Civil War.