A house carved into a rock in the 1940s.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

This working class sculpture pounds his hammer all the livelong day.

A wall of chewing gum moonlights as collective art.

More than 12,000 years ago, this park was a playground for mastodons.

A commemoration of over 150 of St. Louis's favorite sons and daughters.

Stand at the point where the two mightiest rivers in the United States converge.

The iconic remains of the original Academic Hall that burned down in 1892.

Four, 18-foot-tall badminton shuttlecocks lie scattered about the lawn of a Kansas City museum.

The show pony of cave systems, Fantastic Caverns manages to live up to its name.

400 million-year old limestone caverns nestled in the Ozarks served as shelter and a hideout for cultures throughout North American history.

Once owned by the largest employer in Colorado, these ovens have been abandoned for over a century.

Overlooking the Colorado Convention Center is this giant sculpture made from thousands of triangles.

When ecosystems collide in the arid Southwest.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

The entire history of the U.S. Space Shuttle Program is painted on an enormous roadside water tank.

This sculpture is intended to reset a person’s creativity.

A one-of-a-kind sundial at the Very Large Array honors a radio astronomy pioneer, incorporating the original piers from his breakthrough radio telescope.

This highest peak in New Mexico is named after an explorer who had a habit of lending his moniker to peaks.

The winter home of thousands of beautiful snow geese and sandhill cranes.

Thousands of pieces of art have been carved into the rock at the site of an ancient volcanic eruption.

This sparsely populated town offers a look back in time.

It's easy to see why this eclectic architectural wonder has been dubbed the "Spaceship House."

Home of the International Space Hall of Fame.