The wooden airship was the largest flying boat ever built.

A haunted hot springs hotel that went from healing retreat to asylum before it was restored.

The world's largest egg has been cracked a number of times over the years but has been repeatedly replaced.

This long, dark tunnel is open to hikers, but those without lights are known to get confused even on the straight path.

This working class sculpture pounds his hammer all the livelong day.

This sci-fi gazebo located in a Washington power town is made from old bits of industrial electrical equipment.

Mysterious wreckage of a small plane has been lodged in this tree since at least 1971.

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

Home to the deepest rift anywhere on Earth.

Dramatic river bend surrounds a natural red-rocked pedestal.

Former farm staffed by mental patients is now a public park.

Cave carved out of a huge snow drift collapsed killing one and injuring five in July 2015.

Keeping Ballard's heritage alive with delicious, lightly battered Alaskan wild cod.

This historic steamboat is scuttled just a few hundred feet from where it was built over a hundred years ago.

100-year-old shipwreck you can walk up to at low tide.

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

A massive sea stack famous for its appearance in The Goonies.

Two mammoth statues inspired by equally tall tales lure tourists to this roadside attraction.

Mountain known by the Tillamook Tribe as "the place of the supreme deity."

No one knows how this Pacific Northwest spruce tree came to have so many trunks.

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

Only known mainland rookery of the threatened Stellar sea lion.

Shakespeare has been brought to life in this open air theater for the better part of a century.

A tourist attraction founded around a slumping cabin.