A unique sculpture park that specializes in the huge and bizarre.

This Delaware River bridge is emblazoned with a catty slogan from a more prosperous time.

One of New Jersey's oldest surviving buildings still bears the mark of our former British overlords.

The only road through the heart of Glacier National Park.

This Yellowstone geyser may not shoot as high as the nearby Old Faithful, but it erupts for considerably longer.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

A beautiful geyser under environmental threat.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

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

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.

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

New fungal and bacterial species call this deadly lake home.

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.

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

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.