Operational for less than a year, this mill produced more than 11,000 tons of chrome concentrate in its short lifespan.

A smoke stack so large, the Washington Monument could fit inside!

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

The formidable fowl can be found standing near an isolated hiking path.

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

This tiny movie theater was the last one in the U.S. constructed in the Nuevo Deco architectural style.

High in the Rockies the third largest statue in the U.S. opens her welcoming arms, and lights up the night sky.

An entire town preserved as a historic landmark.

An apocalyptic seismic event creates a deadly chain reaction that ends with a 6-mile long lake developing within weeks.

The residents at this Yellowstone wildlife park will certify your cooler as "bear-proof."

A little-visited ghost town state park offers a glimpse into Montana’s "Silver Queen."

This amazingly preserved Gold Rush town is a historian's dream.

New fungal and bacterial species call this deadly lake home.

This site is home to ancient petroglyphs and pictographs dating back to 6,000 B.C.

Inside this striking glass building, visitors can see thousands of dinosaur fossils in the positions that nature deposited them more than 150 million years ago.

The largest wildlife crossing in Utah allows local fauna to safely traverse the six-lane Interstate 80 at Parleys Canyon.

It's safe—and permitted—to walk across these twin natural sandstone arches.

This set of three large, volcanic hot springs is a favorite haunt for intrepid divers.

The largest island on the great salt lake is home to curious creatures and strange stories.

The fifth-longest natural arch in the world, and the longest outside China.

One man has installed bathtubs into the Utah desert floor to harness the powers of a natural hot spring.

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

A well-preserved Ancestral Puebloan ruin tucked beneath a desert cliff.

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