The century-old remains of an abandoned farm town in eastern Washington.

Orcas on display and in the water.

This Puget Sound military post has a long, turbulent history as a gateway to the Pacific.

An allegedly haunted mansion with a tragic, tawdry past.

A nearly abandoned 19th-century town on the Palouse.

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

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

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

A cave interior in the shape of the ancient rhinoceros, created by lava cooling around its carcass.

A fine, large-aperture telescope available for public use.

Bonsai trees that are up to a thousand years old.

A brewery warehouse which doubles as a circus bigtop.

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

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

This edible park is open to any and all foragers.

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

The tech giant built three enormous glass orbs in Seattle so employees could work inside a rainforest greenhouse.

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

This medieval village/restaurant perpetually celebrates the year 1376.

The strange phenomenon causing gravity to "work backwards" on this hill has been blamed on the paranormal.

The illuminated falls are a gem in North Cascades National Park.

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

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

A short hike into the mountainside forest reveals a decaying 1890s town.