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

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

Old submarine parts have been converted into faux whale fins.

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

A normal, unassuming pedestrian overpass has been the demise of many, many trucks.

A historic Masonic building overlooking the Puget Sound.

A whimsical village of unique treehouses resides in a Washington forest.

This Cold War missile launch site has been abandoned for 40 years.

Four abandoned towers hidden above the Douglas fir forest in Washington.

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

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

The crumbling remains of a gold mine that was operational in the 1930s.

A sun-filled museum featuring an ever-rotating collection of classic and exotic cars.

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

This large artificial waterfall in Washington state was merely an incidental byproduct of a technological megaproject.

A home made entirely from scrapped, reclaimed and recycled material in Whitman County, Washington.

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

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

This Spokane mansion and the stories within its walls have been brought back to life, thanks to careful restoration.

Local legend has it that an old, decaying staircase outside this cemetery is haunted by dozens of ghosts.

It was once used as a classroom to teach mining skills to local high school students.

This trail leads to a mine that was used as a sanctuary during the Great Fire of 1910.

A black cottonwood gets a second life as a home for books.

The grand, column-fronted, sculpture-adorned home of the ambitious digital library.