Arizona has some of the prettiest sunsets, but why? There's a science behind it. Here's what to know, including sunset times ...

A sun-swept corner of the Painted Desert draws more than 600,000 visitors each year. While most come to see one of the world's largest concentrations of brilliantly colored petrified wood ...

Visitors can see dinosaur fossils and petrified wood while basking in the surreal landscape of the Painted Desert. World ...