Places Jochen Duckeck Wants to Go

An unfortunate geological resemblance to Satan has labeled this Pasadena gorge as a passage to the underworld.

An eccentric inventor's castle home with its own indoor weather system.

Mysterious ancient boulder carved with petroglyphs in the mountains of Western North Carolina.

Nondescript elevator doors open to reveal a stunning, surreal world.

A popular swimming hole that hides one of America's most deadly diving spots.

This lake in the Cascades lives up to its name, disappearing down a hole every spring.

This ruined fort hidden at the top of Central Park can't seem to keep from losing its historical plaques.

The longest navigable underground river in the United States is home to countless blind and albino animals.

The highest bridge in America was built for an almost unnervingly small amount of money.

At this Denver landmark, the meals are compulsory, the sopapillas are complimentary, and the insanity is everywhere.

Sail through this subterranean show cave that is home to a legend that would go on to name nearly everything around it.

A 300-yard long natural tunnel runs through a ridge deep in the Appalachian Mountains.

A meditative space out of a fantasy story.

A little piece of the Shire is hidden behind a plant nursery in Port Orchard, Washington.

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

The mysterious wonder of an underground waterfall is illuminated by multicolored lights.

Eons old volcanic activity created one of the most stunning rock formations in the United States.

Eons ago, a rushing lava river formed this pristine passage through solid rock.

Hundreds of glow-in-the-dark objects light up a museum in a historic zinc mine.

Wild lights and sound effects turn a walk through some caves into an eye-popping 1960s tourist attraction.

Canyon walls shrouded in ferns.

Trails through lava-carved tube-caves display sparkling bacteria and a rich history.

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

A house carved into a rock in the 1940s.