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

The biggest solar telescope in the world helps reveal the secrets of our sun.

What is the Thing?

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

The unbelievably opulent home built for an infamous newspaperman.

A massive volcanic plug is now a protected area that hosts a number of bird species.

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

An old saloon in the West filled with history, and according to some, a few dozen ghosts.

The world's largest rose bush has literally outgrown the pioneer museum it was planted behind.

Stairs often replace streets on the steep slopes of this old mining town.