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 ...

Director Ron Howard breaks down a cave diving scene from new film 'Thirteen Lives' starring Colin Farrell, Viggo Mortensen ...

There are hundreds of caves in Belize that served as portals to what the Maya called Xibalba—home to ancient death gods, rituals, and extraordinary relics left behind. Accessible only by kayak or ...

Running along the Caribbean shores of the lush Yucatán Peninsula, Riviera Maya is a 100-mile (160km) stretch of sands ...

In 1973, eight young divers entered a narrow sinkhole on Australia’s Limestone Coast known as The Shaft. They planned a quick descent to 76 meters - deeper than any recreational diver should go - but ...

Swerve the Christmas rush and get a much-needed vitamin D fix in one of these top-rated winter sun holiday destinations ...