A cave explorer stands atop a large spiral stalagmite in the Watch Out for Dinosaurs area, a sinkhole inside Son Doong. Part of the cave ceiling collapsed, letting sunlight into the cave and ...

Arizona/Utah Border, USA Nestled between the sandy terrains of Arizona and Utah, The Wave is a geological marvel that looks ...

Some of the most amazing spectacles around the world are hidden deep underground, beneath rocks, sea and even ice.

Caves offer geological history and breathtaking natural beauty beneath the Earth's surface, captivating adventurers and travellers alike. Situated in Vietnam, the Son Doong Cave is a UNESCO World ...