A luxurious 1880s hotel with its fair share of Tiffany stained glass, Edison electricity, and of course, ghosts.

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

Bizarre lunar-like landscape with thousands of large stone "hoodoos."

A wall of chewing gum moonlights as collective art.

Brightly colored 30-foot-tall totems light up the desert sky just outside Las Vegas.

St Bernard de Clairvaux Episcopal Church, better known as one of the oldest European buildings in the Western Hemisphere.

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

This Big Sur waterfall drops 80 feet directly into the Pacific Ocean, and inspired the hillside house up top.

Less a museum than a bizarre fantasy world created by artists and engineers.

The highest bridge in America was built for an almost unnervingly small amount of money.

European castle ruins in an American state park are actually the product of death and grief.

A mysterious castle built as a monument to lost love.

The magic's in the hole!

This futuristically sylvan church is a glass-enclosed marvel of modern architecture.

Make your reservation to have coffee with some kitties.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

A hotel and restaurant serving as the mecca of kitsch.

An acoustic anomaly with a mysterious cause.

Once a mortuary that held the remains of Buffalo Bill, this Denver hotspot is now a death-fixated restaurant.

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

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

A modernist landscape of water and sci-fi concrete.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

The world's longest known cave system.