A museum dedicated to the alleged Roswell Incident.

A clear blue swimming hole with hidden caves, still unexplored.

The former home of the Nobel Prize-winning American writer is now home to dozens of six-toed cats.

A monument celebrating the idea of reaching inaccessible places.

Modeled after a famous church in Vienna, Austria—but in Helena, Montana.

This off-the-beaten-path abandoned town is a relic of Montana's silver mining boom.

The scene of one of the darkest moments in American labor history has been left essentially untouched since the tragedy.

This railroad magnate's 19th century tower is more than a little bit out of place in the Nevada desert.

Only intact Ichthyosaur skeleton in the United States and an abandoned gold mine and ghost town all in one place!

The abandoned train depot now doubles as a well-placed rest stop for those who take the road less traveled.

This tiny traditional smokehouse is the only one left in this historic fishing port.

One home in the historic strip hides secret compartments and the ghostly songs of long-gone canaries.

A half-mile long and three stories high, this bridge over the Des Moines River Valley mimics a descent into a mine shaft.

The magazine keeps a perfectly groomed display garden for its photo shoots.

Lured here by the promise of tens of thousands in gold, Jesse James started a quintessentially American trend of robbing trains in-motion.

The notorious couple camped at this site after a bloody shootout with police.

The World's Largest Bull.

An eclectic assortment of medieval architecture in a small Iowa town.

A one-of-a-kind sundial at the Very Large Array honors a radio astronomy pioneer, incorporating the original piers from his breakthrough radio telescope.

In the remote high desert of New Mexico, a strange array of poles beckon fury from above.

Twice a year, visitors can tour the desolate site that birthed the Atomic Age.

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

This rugged area of red rocks and arches is often considered one of the most beautiful places on Earth.

Local lore holds that Butch Cassidy took an escape route through Red Canyon's sandstone hoodoos after an attempted murder.