Home to the deepest rift anywhere on Earth.

A mining town, now abandoned, was built in a canyon so narrow that the railroad ran right through the hotel lobby.

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

It is the only marker for one of the most famous hate crimes in American history. There are no other memorials for him in the entire state.

This town is home to the world’s largest arch constructed entirely of elk antlers.

The only retired U.S. nuclear missile silo that is open to the public.

The high point on the 16th president's eponymous roadway is marked by a massive version of his head.

Around half a million years ago, these magnificent columnar basalt cliffs were formed from cooling lava.

The crumbling structure is a rare surviving relic of the area's bygone mining industry.

Devilish landscape, once cinema home to giant alien bugs, now derelict roadside attraction.

A miraculous natural phenomenon known as "the spring that breathes."

The remote outlaw hideout of Jesse James, Butch Cassidy, and the Sundance Kid.

Native Americans built this circle of stones, which was used to predict astronomical events.

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

One man's ambition created this psychedelic log home.

The first declared National Monument in the United States.

Touch an actual dinosaur bone at this eclectic trove of Rocky Mountain treasures.

A sprawling museum located on the former site of the Orphan Girl Mine.

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

One of the largest wildlife refuges in the contiguous 48 states, it was instrumental in preserving the pronghorn antelope from extinction.

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

A beautiful geyser under environmental threat.

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

Mining town from the late 1890s, once home to Calamity Jane.