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

Residents of Fremont in Seattle have considered it the center of the universe since the 1970s.

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

Shoreline strewn with the remains of ghostly fallen trees.

A surreal landscape where fanged rocks rise from the ground and the ocean feels like a great mystery.

A rotting tree in the middle of Seattle doubles as an elaborately-controlled art piece.

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

An obscure waterfall that looks like something out of a fantasy novel.

The first park built over a freeway is a brutalist masterwork.

A wall of chewing gum moonlights as collective art.

This former coal gasification plant found a curious second life as a popular public park.

Though strikingly beautiful, Seattle's other railway station is now largely forgotten.

A colorful architectural gem in Seattle’s uniquely modern Central Library.

Couple's personal collection of pinball machines turned public pinball museum.

The longest continuous lava tube in the continental U.S. offers 2.5 miles of dark explorations for the adventurous.

This semi-secret garden in south Seattle emulates a traditional Japanese garden using the plants of the Pacific Northwest.

A museum dedicated to the history and exploration of both popular music and science fiction.

Stroll through a wonderland of stupendous moss-covered trees.

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

A giant Troll lurks under one of Seattle's oldest bridges.

Some 46,000 years ago, a volcanic eruption led to a flooding event that carved this short canyon with steep vertical walls.

This U.S. natural reserve is an ancient spiritual place and rock climber’s paradise.

The only bridge in the United States where BASE jumping is legal without a permit year-round.

These falls, sometimes called the "Niagara of the West," still put on a good show at the right time of year.