The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

The pharmacy's retro ice cream mixer is one of the last of its kind.

This stone, said to have once been a young woman, is sacred to the Dakota and Lakota nations.

The humble beginnings of the man known for his lavish "champagne" music.

This simple badlands butte is the highest point in North Dakota and may be the only high point to charge admission.

This remote river crossing was a popular campground on American westward expansion trails, and a former Pony Express station.

Named for a prominent scout and explorer, this Wyoming state park encompasses a replica of an 1840s trading post, a 19th-century Army outpost, and early 20th-century automobile lodgings.

One of America's largest retail chains got its start in one of its most remote rural destinations.

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.

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.

Population: 1.

Surrounded by a hundred mile radius of billboards, Little America is a roadside attraction whose primary appeal is hospitality.

A devilishly named gorge that was a sign of salvation for many pioneers.

One of the smallest towns in the United States.

The only natural lake in the world that drains into both the Atlantic and Pacific Oceans.

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

An architect's childhood fantasy treehouse made real.

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

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 first declared National Monument in the United States.

It's believed the soldier was 109 years old when he passed away.

Where one of America's greatest songwriters lived before he was Bob Dylan.