This extravagant Art Nouveau rest stop features a million-dollar view of the Columbia River.

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

A French chateau, failed utopian community, odd museum, and Stonehenge replica in rural Washington State.

Outside this souvenir shop is a statue of Bigfoot composed of volcanic ash, and plenty more to see inside.

The world's largest egg has been cracked a number of times over the years but has been repeatedly replaced.

The U.S. Navy's last diesel-electric submarine rests half-submerged in the middle of Portland.

Nestled between a college and a golf course, the garden is home to more than 2,500 rhododendrons.

An allegedly haunted mansion with a tragic, tawdry past.

Seattle's super-sized cowboy apparel once belonged to a themed gas station that wrangled in herds of tourists.

A comprehensive collection of bonsai set in a beautiful campus.

The final resting place of one of the most sensational guitar players of all time was created only after his father got the rights to his music.

This 22-acre botanical garden is home to the largest collection of rhododendrons in the world.

Tasked with beautifying a disused stretch of industrial land one artist filled a hole with grass.

This dilapidated ship carcass covered in trees is a striking sight.

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

The official atomic museum of the United States explores the explosive and productive history of a much maligned energy source.

This painted blacktop brings the classic arcade game to life.

This tiny home built on revenge appears to be scarcely wider than a Volkswagen.

Spanning an elevation of 160 feet and containing 388 steps, this is Seattle's longest staircase.

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.

The four tall pillars once marked the entrance of the historic Seattle church that fought for women's suffrage and civil rights.

Obscure Freemasons still live in D.C.’s largest private residence.

On the Fourth of July this area will transform into a Pompeii-like storm of falling embers and ash.