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.

In the basement of the U.S. Capitol Building is a hidden storage room full of ornate floor tiles leftover from the 1850s.

You might know it as the Overlook Hotel, but the inside is not going to be familiar.

The longest and widest floating bridge in the world.

While most wind tunnels test scale models, the "Cave of Winds" was large enough for actual airplanes.

Members of Congress have traveled between the buildings on Capitol Hill for a century hidden from tourists, press, and storm clouds.

An easily overlooked memorial to a Ukrainian famine-genocide that killed over 4 million people.

A much-maligned monument to teetotalism.