Placer County, California, rescue crews pounced into action and extracted a 16-year-old boy who was stranded in a nearly ...

The Natural Bridge Caverns are home to the biggest commercial cave system in Texas. Above-ground adventures include zip lining, a rope course, a maze, gem mining, shopping and dining. But the ...

An curved arrow pointing right. The Carrick-a-rede Rope Bridge, built 350 years ago by salmon fishermen, is Northern Ireland's most insane bridge and a hot tourist attraction. Story and editing by ...

At the end of Hang Son Doong stood the Great Wall of Vietnam, a 200-foot barrier to be conquered by both ladder and rope climbing. In a cave there’s no way to get a signal. There’s no way to ...