An enclosed rotunda at the Henry Art Gallery in which viewers can look up and see the uninterrupted sky.

A collection of odd-shaped and quirky sounding instruments handmade by a midcentury inventor-composer.

Peruse rare tomes like poetry bound in pearls or books with branches and berries growing out of their spines.

A huge musical sculpture and other art installations on the National Oceanic and Atmospheric Administration grounds.

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

Every summer West Seattle experiences a housing bloom.

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

"The Reptile Man's" very own roadside zoo features an albino alligator.

The remains of a former logging boom town, crumbled away in the forest.

A beautiful final resting place for some of the noteworthy deceased.

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

The Denny Substation has been called "the coolest substation in the world" and sits in a densely populated Seattle neighborhood.

This grand old 80-foot sequoia towers above the buildings in the city’s retail center.

An old-timey peepshow allows visitors to gawk at some of the world's most freakishly large footwear.

This painted blacktop brings the classic arcade game to life.

A wall of chewing gum moonlights as collective art.

An old vending machine serves up unpredictable beverages from its seemingly magical insides.

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

A 100-year-old purveyor of curiosities, curios, and kitsch featuring mummies, shrunken heads, and a Fiji Mermaid.

Home of Howard Hughes' Spruce Goose.

The wooden airship was the largest flying boat ever built.

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

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

This historic building provides a powerful glimpse into the lives of Japanese Americans forced to relocate during World War II.