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

An allegedly haunted mansion with a tragic, tawdry past.

This dilapidated ship carcass covered in trees is a striking sight.

Hundreds of hopeful gold miners came here to get rich, but only two years later the small town was deserted.

This painted blacktop brings the classic arcade game to life.

"The House That Love Built" is shying away from "The House That Ghosts Love."

A walk through the historic city center, under the streets of Seattle.

An old World War II hangar holds 20 vintage aircraft and the rare opportunity to take a ride in a 1940s warbird.

The largest wooden building in the world now houses a fascinating collection of aircraft.

The U.S. Navy's last diesel-electric submarine rests half-submerged in the middle of Portland.

The wooden airship was the largest flying boat ever built.

Inside a humble hangar is some of the best roller derby the world has to offer.

The world's last remaining store of its kind.

The short-lived railroad town in central Oregon has been abandoned since the 1930s.

Portlandia is the second-largest copper repoussé statue in the United States.

A tourist attraction founded around a slumping cabin.

The lush coastal city of Astoria is riddled with forgotten secret sidewalks.

This field of concrete was once an active defense site armed with nuclear warheads.

This former Cold War missile control site played an important role in the creation of GPS.

The romance of early commercial flight still fills this Art Deco destination.

The U.S. Army's giant warehouse of war art includes Hitler’s watercolors and Norman Rockwell oil paintings.

A lone historical marker off the highway and scattered debris are all that remain of this Cold War-era missile site.

A museum dedicated exclusively to aircraft used in the military.

Headquarters of the legendary clairvoyant's readings, spiritual hospital, and massage school.