Although it also features red, orange, and variegated cliffs of Navajo Sandstone, this state park is often overshadowed by its more famous neighbor.

Inside this striking glass building, visitors can see thousands of dinosaur fossils in the positions that nature deposited them more than 150 million years ago.

The last SR-71 ever constructed.

The Sun, Moon, and stars peacefully coexist with animals, humans, and their tools at this surprising sculpture park.

A vast landscape of craters created by meteorites.

Mysterious and ancient carved standing stones.

Massive rock sculptures formed during the time of the dinosaurs still stand undisturbed.

Stenciled handprints and wall paintings dating back 10,000 years, some of the earliest forms of cave art.

Roman ruins top white travertine terraces formed by ancient hot springs.

Ancient serpentine sacrifice holder that has stood the test of time.

This remarkably well-preserved Egyptian plinth is pretty well traveled for a giant piece of stone.

A meow-velous tribute to a beloved street cat, made famous on the internet.

The ancient abodes are a testament to human ingenuity amid harsh climates.

A small etching on the white marble parapet was written in runic script by a Viking mercenary.

Flames have been burning within this mountain for more than 2,500 years.

This Turkish cave boasts some rather bizarre associations with the King of Mount Olympus.

This hunter-gatherer architecture is believed to be the oldest religious complex known.

In this historic region, homes and churches are carved into ancient volcanic rock formations.

Shipwrecks, ruins, and turtles are all that remain on this haunting Caribbean ghost island.

A sanctuary for sickly, stray, or wounded donkeys.

A network of ancient Egyptian tombs built into the cliff face along the Nile.

Abandoned silver mine strewn with wrecked and twisted structures.

These faux-cliff dwellings allow visitors to climb around on a replica archaeological site.

The final resting place of American icon Buffalo Bill, and a museum that aids in telling his tale.