Site of the greatest known waterfall that ever existed.

An extraordinary mixture of natural beauty and man-made phenomena.

The wooden airship was the largest flying boat ever built.

A Roman-style column in Oregon hides a spiral staircase inside.

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

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

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

A bike being "eaten" by a tree is the real Vashon legend behind popular children's book, "Red Ranger Came Calling."

Tacoma’s 25-foot coffee pot music spot has served up over 80 years of concrete kitsch.

This century-old confectioner's outlet store was plucked right out of the Seattle World's Fair.

A beautiful footbridge with over 2,000 glass sculptures along the walls and ceiling.

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

This famous bridge twisted itself into oblivion, but not for the reason you might think.

From a neon Rapunzel to a bike traffic meter to a street fair color scheme, the most opened drawbridge in the US is a veritable art gallery.

Once a year, thousands of naked cyclists flood the streets of a Seattle neighborhood.

Activists are fighting to preserve these unfinished highway ramps as a tribute to the citizen revolt that halted their construction decades ago.

The longest and widest floating bridge in the world.

People come from across the globe to swim in this lake believed to have healing properties.

Perhaps the world's only gas station inspired by a political scandal.

The highest point in Washington state is a volcano covered in glaciers.

This metallic stampede sits frozen on a Washington ridge yet the artist's vision is still incomplete.

An exercise in patience and imagination, where Mother Earth turned common stuff into precious hidden treasures.

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

One small town in the Pacific Northwest transformed itself into a Bavarian-themed tourist destination.