While there are no actual snakes in the history of this crooked road, there may be a number of dead horses.

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

A 6-mile-long lake created by an apocalyptic seismic event and the deadly chain reaction that ensued.

An entire town preserved as a historic landmark.

For thousands of years, Native American hunters drove buffalo straight off this cliff in Montana's Yellowstone Country.

These giant metal horses graze on a hilltop near the Montana highway.

New fungal and bacterial species call this deadly lake home.

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

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

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

Mining caused an asbestos emergency in this small town.

The only road through the heart of Glacier National Park.