Before her death last November, Katie Lee spent half a century working to restore Glen Canyon, a lost place that was even more astounding than Grand Canyon
Harvey Butchart was hiking the canyon long before others thought to follow
Just because you didn’t land a private permit to float the Colorado doesn’t mean you can’t enjoy its 40 layers of mind-jarring beauty.
When a group of canyoneering beginners were swept away in a flash flood last September, it was the worst disaster in Zion's 97-year history. And it illustrates a growing question: How far should national parks go to keep their visitors safe?
American cavers were first to descend the 1,200-foot deep Sotano De Las Golondrinas, better known as the Cave of Swallows, in 1966. It’s one of the world’s largest cave shafts in the world and one of Mexico’s 13 natural wonders.
Patagonia's Jenna Johnson is on a mission to get women into high-tech gear that can take on real adventures.
We may never know how 21-year-old rafter Kaitlin Kenney died on the Colorado River, but we will never forget why she went
Katie Heaney walks into the longest cave in Wisconsin and, despite the bats, the darkness, and the bats, makes it out alive
Has this tired old world been explored-out? Not Down Under, where uncharted, bottomless slot canyons hide just west of Sydney.
Will Earth's most fragile unexplored ecosystems survive the age of adventure?
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