Crystal clear lake with a shoreline of travertine located in a Colorado canyon.

The only completed wing of Utah's first capitol is filled with artifacts and odd stories about its past.

This gallery of prehistoric red ochre art lines the wall of a scenic segment in Utah's San Rafael Swell.

This raised bulls-eye visible from space was the subject of an intense geologic controversy.

Oddly shaped rock formation, misassociated with a nearby utopian community.

A ghost town that held steady longer than most, but finally gave up the ghost.

This ghost town was once a cult-like religious utopian settlement.

Settled by the Church of Jesus Christ of Latter-day Saints in 1859, this abandoned frontier town has appeared in several films.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

Despite its name, this route in southern Utah offers a heavenly day trip.

A house carved into a rock in the 1940s.

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

Hidden inside this Arizona fast food franchise is an in-depth exhibit on the famed WWII counterintelligence program.

A Wild West jailhouse that slid down the mountainside.

This immigrant bridge once spanned the Thames but is now a fixture of an Arizona city.

Once the product of an inexplicable gold strike, this ghost town is now home to one man and his love of classic machines.

An arsenic-filled pool in the Grand Canyon takes on the appearance of a giant, overflowing pumpkin.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

The giant pair of sexy legs sticking out the window of this costume store have become its main draw.

The unbelievably opulent home built for an infamous newspaperman.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

Part of a worldwide art project, this mysterious semicircle of concrete shapes holds the pieces of a larger story.

This open air cathedral invites all faiths to worship under the only roof big enough to fit them all: the sky.