By Karen Rubin, Travel Features Syndicate, goingplacesfarandnear.com ...

Researchers in Spain used Apple iPhone’s built-in LiDAR sensor to create a 3D map of a cave with hundreds of prehistoric cave ...

Beneath the surface of an abandoned limestone mine, explorers uncovered a natural cave system untouched for centuries. This is the story of the discovery, the danger, and the mystery of what lies ...

Visitors to Vietnam are increasingly venturing beyond big-hitters such as Ho Chi Minh City and Hanoi, and many are drawn to ...

Crystal Cave in Kutztown offers exactly this otherworldly experience, tucked away beneath the rolling hills of Berks County. While Pennsylvania boasts plenty of natural attractions above ground, this ...

Cement is one of the most-used materials in the world, and one of the highest emitters of global CO2 emissions. As demand for ...

Deep in the jungles of central Vietnam lies a cave so vast it has its own weather. It’s called Sơn Đoòng Cave, and stepping ...

HUANG MEIMEI/FOR CHINA DAILY Through the dark rims of sink holes and crystalline underground rivers, Guizhou province's karst ...

Crystal Cave in Kutztown, Pennsylvania offers exactly that experience, minus the molten core and dinosaurs (sorry, Jules Verne fans). Pennsylvania hides countless natural wonders beneath its rolling ...

Though it looks forbidding, the Burren, where you can walk for hours among the rocks and valleys with only your thoughts for ...

A new Philippine app spots sinkholes before they form, making travel across limestone regions safer for locals and tourists ...

Discover how to plan an affordable and enriching 4-day group tour in Vietnam, combining culture and natural beauty for ...