One such drop is known as Fantastic Pit within Ellison’s Cave. It is the deepest freefall pit in America, plunging down vertically for 179 meters (586 feet). Within the same system is Incredible ...

Archaeologists recently unearthed what could be the oldest full weapon system in North America in a remote cave system in ...

the second deepest cave in North America. He’s the president of the Cave Conservancy of Hawaii, a nonprofit trust that has been buying up land in and around Ocean View to preserve the tunnels ...

The 40-year-old New Jersey native was trapped in the Morca cave — the third-deepest cave in Turkey — for over a week after he became ill while on an expedition when he experienced ...

Lechuguilla Cave at Carlsbad Caverns is the deepest limestone cave in the country ... How Dirty Air is Harming America’s National Parks Report Polluted Parks: How Dirty Air is Harming America’s ...

Two decades later, I organized a series of expeditions to investigate new deep caves, using dye traces in cave streams to probe Arabika’s potential depth. In 2001 a team led by Ukrainian Yuri ...

This cave is so deep that it can accommodate 30 Qutub Minars and more... it is in... Caves have been part of the civilisation from the beginning of the formation of ...