At the time of its completion, it was the tallest dam in the world.

A rapidly disappearing glacier filled with extinct grasshoppers, perfectly preserved in the ice.

The highest point in Montana is as rugged and singular as the state itself.

An unusual geological feature towers over the remains of a dark episode in United States history.

A scenic ravine with an astounding collection of rock art created by the Indigenous people of the Great Plains.

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

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

The last physical evidence of the Lewis and Clark trail is one of their autographs etched into this giant rock.

A working ranch doubles as a sustainable hub for world-renowned classical music and large-scale sculptures.