A tribute to a 13-year-old boy who was kidnapped in 1793 and escaped over two years later.

Patrick Dougherty's fantastic living tree sculptures, mind-blowing but temporary.

Known as the "Cross At The Crossroads," this massive metal cross is just short enough to avoid the FAA.

World's second largest particle accelerator, where nature reveals its secrets.

A bizarre house filled with an astounding array of collections.

One of the last surviving C-97s sits in a field in front of a Wisconsin inn.

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

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

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

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