A "sinister, whimsical, tacky, and really orange" public art installation hidden under a Seattle bridge.

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

Seattle's own bad art museum located inside Cafe Racer.

A house filled to the brim with oddities and curiosities.

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

Former farm staffed by mental patients is now a public park.

Sleep beneath the big screen at this old-school movie theater.

One artist's yard is full of shining, whirling kinetic sculptures that look like pure steel psychedelia.

This family mausoleum is steeped in symbolism and looks more like a fantasy location than a grave.

The lush coastal city of Astoria is riddled with forgotten secret sidewalks.

This gorgeous beach hides behind two headlands in Oregon's Ecola State Park.

Hundreds of painted rocks dazzle this small beach where adding your own is encouraged.

Only known mainland rookery of the threatened Stellar sea lion.

Not-so-fearsome tiny trolls live under this wooden train trestle in Portland.

Inspired by a piece of concrete, these three pyramid-shaped buildings have been beloved Indianapolis landmarks for over 50 years.

One of the smallest churches in the United States is located along the side of the road in a residential neighborhood.

After an Illinois church was struck by lightning and burned down, Frank Lloyd Wright designed this replacement.

Known as one of America's most beautiful public restrooms.

A collection of haunted objects and macabre oddities under one roof.

Recognized the world over as the home of the McCallisters in the 1990 movie "Home Alone."

Sunset-colored dunes of volcanic ash make taking a poor photo impossible.

Megachurch turned Catholic church comprised of 10,000 glass panes.

A whimsical menagerie of devils, krampuses, satyrs, and other horned creatures.

Mysterious meeting place for UFO hunters near Area 51.