A man's home is his castle.

An Aztec temple, the largest man-made pyramid in the world, sits buried in earth with a Spanish church set on top.

A vision of beautiful Hindu architecture in the middle of the American South.

The ruins of a cotton mill that was burned in the Civil War are still hidden in a Georgia forest.

The world's second largest single-dish radio telescope, once used to contact E.T.

Stripes of flowers bloom each spring in a 50 acre rainbow of color.

Enormous lake at the bottom of a unique cave system.

This abstract roadside poultry was saved from demolition by outraged drivers and pilots.

The Battle of Atlanta in 360 degrees, featuring a corpse that bears a striking resemblance to Clark Gable.

A spiritual vortex among the red rocks in Sedona.

Twenty-seven massive radio antennas on the high plains of New Mexico search for life on other planets.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

The site of Billy the Kid’s most famous escape and the end to the Lincoln County War.

The only castle in North America to ever house European sovereigns.

A jewel of the Mexico city skyline now slowly crumbles after surviving an earthquake.

An island filled with hundreds of hanging, decomposing, decapitated dolls.

Metro station with a claim to rock n' roll fame.

Berlin's old airport.

Cold war icon and onetime "hole" in the iron curtain.

The most visited, and possibly most controversial, museum in Germany.

A secretive collection featuring objects that were designed specifically for U.S. intelligence operations.

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

The bat-covered home of one of the world's most popular brands of rum is located on a tropical Art Deco campus.