A collision of human error and natural geothermal pressure created this rainbow-colored geologic wonder.

Nine of the very few concrete ships ever made in the U.S. are beautifully decaying off a Virginia pier.

This maze-like slot canyon is a unique gem within an already fascinating geological area.

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

Giant busts of 42 U.S. presidents are sitting in a field in Virginia.

A waterfall 600 ft. inside a mountain, once the bane of gold miners, is now a spectacle of nature.

This prehistoric sinkhole lured exclusively male mammoths to their death, much to the delight of science.

The ravine where Jesse James supposedly performed an impossible jump to evade capture.

Just a man taking his prehistoric pet for a stroll.

Witnessing the might of this dessert-colored desert waterfall is a rare, powerful treat.

Ancestral Puebloan ruins, natural arches, and box canyons abound in this seldom-visited corner of Monument Valley Navajo Tribal Park.

An arsenic-filled pool in the Grand Canyon takes on the appearance of a giant, overflowing pumpkin.

An abandoned facility that has become a place of ritualistic satanic worship, or so rumor has it.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

This secluded aqua waterfall in the Grand Canyon is the perfect swimming hole, and the Havasupai tribe's fiercely protected natural wonder.

Most-visited and most-photographed slot canyon in the American Southwest.

Rippling sand dunes frozen in the Arizona rock.

This Colorado hiking trail provides a small gold mine of abandoned gold mines.

Possibly the world's oldest rug, this Egyptian relic is woven entirely from ancient cat hair and once carried a mummified human foot.

A secret, rocky playground hidden amongst the plain white beaches of the Florida coast.

An abandoned water sports stadium that has become a haven for graffiti and decay.

This ancient sinkhole-turned-healing-pool is a treasure trove of archeological discoveries and may even be the Fountain of Youth.

An abandoned vacation home spent a decade taking on legends. It's now taking on water.

The only swimming pool listed on the National Register of Historic Places is emptied and refilled each day with naturally filtered water.