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

Island ghost town detailing Flagler's folly in building the Overseas Railroad.

This modern antique shop is a museum for 1980's Saturday morning cartoon culture.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

When ecosystems collide in the arid Southwest.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

This Colorado hiking trail provides a small gold mine of abandoned gold mines.

The largest source of fossilized insects anywhere.

Thanks to a quirk of elevation this gift shop produces magic doughnuts that are found nowhere else on Earth.

The haunted reputation of these abandoned Colorado train tunnels is probably not helped by the terrifying spiked fence.

Victorian "Fancy Craft" Hair Wreaths and Relics.

Strange red rock formations that have been attributed to a higher power for hundreds of years.