Xkeken Cenote, Mexico Photograph by John Stanmeyer, National Geographic This Month in Photo of the Day: National Geographic Magazine Features The Maya believed natural wells, such as the Xkeken cenote in Mexico’s Yucatán, led to the underworld.
The underground rivers that run through this amazing theme park in Mexico are breathtaking natural wonders where you can swim and snorkel in Xcaret during your Riviera Maya vacation. I have Mexico in my sights for
Explore the ancient caves of Hang Son Doong, Vietnam. Hang Son Doong is one of the largest caves in the world and features a fast-flowing underground river. For spelunkers, exploring Hang Son Doong is the equivalent of scaling Mount Everest.
The Marble Caves is geological formation of unusual beauty. These caves have formed in a pure marble and are bathed in the deep blue water of General Carrera Lake. Chile, the Marble Caves are some of the most impressive attractions of Patagonia.