A grove of colossal man-made flowers built to collect the sun's rays.

Life's work of sculptor Elisabet Ney remains preserved in her last studio.

An emerald-green grotto just a short trip from Austin.

The only retired U.S. nuclear missile silo that is open to the public.

This shallow pit was once used to send over 20,000 buffalo plummeting to their death.

This Wyoming town is fascinated by a particular mythical creature.

A popular rock that acted as a waymarker for American pioneers.

One of the smallest towns in the United States.

Devilish landscape, once cinema home to giant alien bugs, now derelict roadside attraction.

An architect's childhood fantasy treehouse made real.

Native Americans built this circle of stones, which was used to predict astronomical events.

A beautiful geyser under environmental threat.

One man's ambition created this psychedelic log home.

Derelict buildings are all that remain of a complex at the site of one of the worst mining disasters in Montana history.

New fungal and bacterial species call this deadly lake home.

A 131-year-old wunderkammer of Texas history.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

Tile mosaics and quotes from Pablo Picasso add an artistic flair to these bus stop benches.

A 2,500-pound wooden nickel makes this woodworking museum easy to spot from the road.

The 40-foot-tall votive candle is the largest of its kind.

This weekly bazaar started in the 1960s as a way for hippie travelers to barter their goods.

Deep in the Thar desert, a temple crawling with thousands of holy rats.