Gold, silver, copper, lead, and zinc were once extracted at this abandoned mine near Lookout Mountain.

This family mausoleum is steeped in symbolism and looks more like a fantasy location than a grave.

This small island has a dark past as a colony for Chinese lepers and a dropoff point for bootleggers.

A tiny red pebble marks what may be the quietest outdoor spot in the United States.

The ghostly remains of an accidental sea.

City Council meetings still happen in this historic building, impeccably preserved on the inside.

These old stone ruins in the Oregon wilderness were once bathrooms and are steeped in legends of murder.

The seamy, underground secrets of Portland's criminal past.

Beyond being incredibly fun, not much can be said about the Hole with certitude.

A small town built on an abandoned airfield has former runways as streets and a bar and grill in an old airplane hangar.

Devilish landscape, once cinema home to giant alien bugs, now derelict roadside attraction.

Old submarine parts have been converted into faux whale fins.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

A beautiful geyser under environmental threat.

The only natural lake in the world that drains into both the Atlantic and Pacific Oceans.

Supposedly Satanic numbers adorn this preserved submarine sail.

Home to the deepest rift anywhere on Earth.

This amazingly preserved Gold Rush town is a historian's dream.

This expansive bridge in the Canadian wilderness was originally just built for friends.

A floating McDonald's built for Expo '86 is now a derelict relic on Burrard Inlet.

While these wooden totems bear a striking resemblance to First Nations artwork of British Columbia, their actual origins lay on the opposite side of the Pacific Ocean.

Tour the original street level of Port Angeles, buried underground in 1914.

This Elizabethan hedge maze is one of only six in North America.

An American city stranded at the tip of a Canadian peninsula where strict adherence to the "49th parallel rule" became problematic.