Explorers entered a flooded cave system hidden deep in the forest, where light barely touched the water. As they swam through ...

Finland has spent decades digging caves into its bedrock. Now, as Russia rears its head, nervous Finns want to know: “Where’s ...

Weeki Wachee Springs State Park in Florida has enchanted visitors since 1947 with underwater performances by "real" mermaids.

It looked like a small hole next to the road, half-covered in weeds. But as we floated deeper inside, the walls widened into ...

Step off the beaten path with these underrated Arizona adventures that spark wonder, excitement, and a playful sense of ...

Deep in the cave recesses, springs feed a stream. But this isn’t fresh mountain water. It’s a sulfidic brew, loaded with ...

India’s diverse geography has given it some of the world’s most spectacular waterfalls. From the forested valleys of Meghalaya to the rugged Western Ghats and the hidden heartlands of Chhattisgarh, ...

A cave in northern Greenland shows the Arctic once thawed under mild conditions. Scientists say even small warming can ...

Between the Sinks and the Rise of the Middle Fork of the Popo Agie, the river famously disappears into subterranean mystery. Locals like to say that the river’s ...

Six friends enter a cave system looking for a spelunking adventure, but the creatures that await them are hungry for blood.

Modern technology, new excavations and curious amateurs have helped unearth some of the world's greatest treasures in the ...

VISAKHAPATNAM: A road cave-in on the Vepagunta–Pinagadi stretch in Visakhapatnam has left commuters struggling with flooding, ...