One of the world’s largest collections of petroglyphs records 2,000 years of human activity.

A spiritual vortex among the red rocks in Sedona.

This 40-room dwelling tucked within a cliff was built by the basin's prehistoric residents.

Concrete crosses scattered across the Arizona scrubland which were used to align spy satellites.

A rare wayfinding portmanteau of “Street” and “Avenue.”

This century-old confectioner's outlet store was plucked right out of the Seattle World's Fair.

42nd story Pyramid shaped penthouse tops Seattle's oldest skyscraper.

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

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

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.

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

A historic Masonic building overlooking the Puget Sound.

Celebrate Earth Day with a menagerie of vibrant, artistic animal costumes.

A beautiful footbridge with over 2,000 glass sculptures along the walls and ceiling.

This famous bridge twisted itself into oblivion, but not for the reason you might think.

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

Home of Howard Hughes' Spruce Goose.

The wooden airship was the largest flying boat ever built.

Bridges, terraces, and replicas of historic structures all built of rock and petrified wood by one man.

Massive crater in central Oregon.

A volcanic landmark located on an Ice age lake bed.

In the middle of a remote desert town is a surprisingly opulent hotel.

Oh, just a motel on the edge of the desert decorated with thousands of clowns conveniently located next to an abandoned graveyard.

This tiny cluster of abandoned buildings looks like the future of the ghost town - today!