One of only two exposed meteor impact craters in the United States

A collection of massive stacked rocks in Texas includes a snarky note on the benefits of modern technology.

The petroleum industry brings you the joys of hydrocarbons and largest collection of antique oil rigs in the world.

Two small markers remember the Alamo's feline protectors.

Legend has it the commander of the defenders drew a fateful line in the dirt with his sword just before the final battle.

A 131-year-old wunderkammer of Texas history.

An ivy-covered arch bridge dedicated to Tejano music singer and legend Rosita Fernandez.

Modern technology and live displays tell the story of the Pacific during WWII for the Internet generation.

The second largest roadrunner in the world stands 11 feet tall in his West Texas town.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

This site honors the end of a 100-year boundary dispute between the United States and Mexico—all started by a river's shifting course.

These ruins of a pre-Columbian cliff village are among the most beautiful and well preserved in New Mexico.

A small metropolis of Pueblo cave dwellings have been carved right into the hillside of this national monument.

A phenomenal assembly of pueblos in New Mexico is the most complete example of ancient ruins north of the border.

This Colorado hiking trail provides a small gold mine of abandoned gold mines.

Thanks to a quirk of elevation this gift shop produces magic doughnuts that are found nowhere else on Earth.

This vintage theme park is peak Christmas kitsch—and it's open all summer.

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.

A dangerous narrow-gauge railroad once traced a route through this striking canyon.

This historic fort spans more the 300 years.

See the place where little league baseball was born.

A near tragic event on this bridge helped inspire the classic film "It's a Wonderful Life."

This statue commemorates the meeting of the most influential minds of the women’s rights movement.

"A hideous albatross in the Hudson River Valley."