One of Frank Lloyd Wright's greatest—and favorite—architectural masterpieces was almost lost.

The first home of the doomed aviatrix Amelia Earhart.

Monasteries on rock pillars, once accessible only by frayed ropes.

The hallucinogenic center of the ancient world.

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

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

A sacred site for Native Americans surveyed by George Washington and owned by both King George III and Thomas Jefferson.

Auburn's iconic eagle flight goes back to a 19th century eagle that dropped dead on the field after inspiring the football team to victory.

Equal parts record-breaking temple to consumerism and bizarre fun park, it's more than you think it is...

Home to the Amorphophallus titanum "Corpse Flower," which is among the largest flowers in the world and also smells powerfully of rotting flesh when in bloom.

The heroic sled dog of the 1925 serum run is preserved in taxidermy.

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

Air Force Academy Chapel made of 100 identical tetrahedrons works to inspire those of all religions.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

A "hospital" where people went to be quarantined, die, and be buried in the yard.

This Niagara Falls tourist trap is a world bright with neon and curiosities that will inspire love, hate, or a mixture of both.

Town full of spiritualists, some of whom are mediums, is still in full swing after 130 years.