It specializes in outsider art and artifacts of secret societies.

The man who wasn't there.

A "Texanic" (gigantic Texas) collection of Art Deco architecture at Dallas' historic Fair Park.

The 40-foot-tall votive candle is the largest of its kind.

A World War II officers' club features Old West murals painted by German POWs.

A curious cone-shaped structure made of wire and covered with antlers.

This downtown Dallas art installation is always on the lookout.

On a remote island, legend has it that a fiddler and his wife were turned to stone.

Possibly the oldest of Britain's ancient henges is also one of its most stark.

The 5,000-year-old megalith is believed to be Scotland's tallest standing stone.

A trio of giant megalithic stones in the middle of a golf course.

Two World War II aircraft lie within the jungle around this abandoned runway.

This bridge made famous in a novel and on-screen wasn't actually built over the river Kwai.

One of the most well-preserved temples of ancient Egypt.

The city-sized home palace of one of ancient Egypt's most powerful rulers gives us a rare look into the lives of the epoch's rulers.

This once-controversial and slightly confusing statue of Achilles was built out of captured cannons.

This generously endowed statue once stood guard outside a Roman home.

Two massive and unstable sinkholes are yearning to unite, and their consummation could be catastrophic.

Steep canyon walls hide a forested oasis in the West Texas desert.

A cave's rare beauty held a cavernous secret hidden underground.

Stormy conditions send jets of seawater bursting through holes in the cliffs.

The palace of the King of Kings, burned by Alexander the Great.

Huge stone depressions which may have acted as an Incan agricultural experiment.

This peculiar lake of pitch is so thick and viscous that one can walk on its surface.