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.

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

Every president in history is immortalized in bronze in downtown Rapid City.

The highest point in South Dakota contains the ashes of Valentine McGillycuudy, the "Holy White Man."

A cemetery housing wild west legends in South Dakota.

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

High in the Rockies the third largest statue in the U.S. opens her welcoming arms, and lights up the night sky.

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

The only road through the heart of Glacier National Park.

A place of great reverence for Trekkies everywhere, a hero's future birthplace.

Beating out all other concrete competitors, this massive garden feature's pointy hat has earned it a world record.

Eighteenth century house of the mysterious "Father of Raleigh."

A maritime museum holding the remains of Blackbeard's pirate ship.

This shifting North Carolina sand dune is an odd little desert surrounded by oceanic forest life.

A mailbox that saved a nature reserve.

The world's largest vertical wind tunnel.

A forgotten sea village stands silent after hurricanes deemed it obsolete.

Burial site more than 300 years old.

The highest point in North Carolina and the United States east of the Mississippi River, Mount Mitchell is named after argumentative explorer Elisha Mitchell.

Who needs fancy modern water slides when this giant North Carolina rock works just as well?

The world's largest Holstein cow.

A six-ton, 12-foot-tall concrete prairie dog is touted as the largest in the world.