Peru's cultural authorities surveyed some of the ancient Nazca Lines, searching for damage after recent rains. The Nazca Lines in southern Peru are pre-Columbian geoglyphs stretching across the desert ...

Tucson’s known for natural wonders. But for snowbirds after a different side of the Southwest, the dynamic downtown is ...

Chaco Canyon was once the vibrant religious center of a Native American culture whose collapse long remained a mystery—until ...