A once celebrated industrial wonder now lurks in a quiet corner of Flathead Lake.

A mining town, now abandoned, was built in a canyon so narrow that the railroad ran right through the hotel lobby.

A wild west land agreement was etched right onto this historic Idaho stone.

This playground sculpture of an icon from the past is dedicated to the children of the future.

This inanimate goat created by the "welding nun" has been helping to clean up the city of Spokane for more than 40 years.

Tiki luxury on Nob Hill.

The tech giant built three enormous glass orbs in Seattle so employees could work inside a rainforest greenhouse.

These faux-cliff dwellings allow visitors to climb around on a replica archaeological site.

Only known mainland rookery of the threatened Stellar sea lion.

Fifty years after a “blast blasted blubber beyond all believable bounds,” this idyllic natural area commemorates the carnage.

The park preserves a single, rare species of carnivorous plant that spells doom for unsuspecting insects.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

This ultra-modern California span is actually a titanic solar clock in disguise built by famed architect Santiago Calatrava.

I Street Bridge is the heaviest swinging center bridge in the United States.

Pillars made of 700 pieces of luggage climb to the ceiling of Sacramento Airport's baggage claim.

Art Deco stylings conceal the true nature of this bridge.

Eclectic collection of dark and macabre antiques.

The arch that celebrated the completion of the Lincoln and Victory highways.

The self-made house sculpture of an outsider artist who named himself "Chief Rolling Thunder."

This giant slab of driftwood marks the beginning of the Winnemucca to the Sea Highway.

Come for the speed, leave in love with the desert.

A 90-foot-tall psychedelic "tree" on the side of the highway has baffled passersby for decades.

Dubbed the "Blade Runner dragon," this buzzing neon sign is a beloved local icon.

This geothermal hot spring hides beneath a slowly growing mineral dome.