National Geographic Explorer and archaeologist Guillermo de Anda narrates this immersive video, explaining the significance of the site and his current work searching for a hidden cenote underneath the Temple of Kukulcan.
Deserts are diverse ecosystems that occur on all seven continents. Learn about the four major types of deserts, the surprising amount of wildlife some of them contain, and how new desert areas are beginning to form.
The lungs replenish the body with life-giving oxygen. Learn about the anatomy of the lungs, how the organs make respiration possible, and how they are vulnerable to illnesses.
Archaeologists explored for the first time a 3,500-year-old tomb near Luxor, Egypt. The tomb belonged to a goldsmith and his wife, and includes a crumbling statue of the pair. The family lived during Egypt's 18th Dynasty.
