A trash dump made beautiful by nature's power.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

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

An emerald-green grotto just a short trip from Austin.

This abandoned asylum was once a state of the art facility before devolving into one of the most deadly mental institutions in American history.

This crumbling UFO is one of only a few remaining "moveable ski chalets" of its kind.

One man's ambition created this psychedelic log home.

Along the old Route 66 is an abandoned trading post made from old telephone poles, built by a former circus clown.

Along the historic Mother Road is an old gas station with a secret counterfeiting past.

One of the largest-ever mental hospitals now sits abandoned, surrounded by 25,000 unmarked graves.

A well-preserved Ancestral Puebloan ruin tucked beneath a desert cliff.

The now-abandoned tunnels were built for the transcontinental railroad on the route where the first wagon train entered California.

An abandoned network of military bunkers and tunnels open for anyone willing to descend into the darkness.

This abandoned, windowless concrete block is one of the strangest buildings in Tulsa.

Ruins of a historic medical facility sits eerily by the water.

During prohibition, corrupt city officials ran drinking dens under the streets of Downtown Los Angeles.

A huge musical instrument played by the ocean.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.