tokyo olympics Watch climber Akiyo Noguchi crawl across the ceiling Mark Frauenfelder

Matterhorn Video – the top of the Matterhorn is razor-thin Mark Frauenfelder

climbers Incredible video of "Spiderwoman" setting new speed climbing record David Pescovitz

Roof of the World The human and financial cost to summit Mount Everest is staggering Séamus Bellamy

climbing How many engineers does it take to change a lightbulb on a 1768ft tower? Rob Beschizza

el capitan Watch a timelapse of climbers breaking an El Capitan record Andrea James

because it's there Video of the most dangerous rope-free mountain climb ever David Pescovitz

tactics How to scale a wall with a long stick and a friend Andrea James

rock climbing Teen climber Margo Hayes is first woman to conquer La Rambla Andrea James

climbing Behold the Wall of Genitals Rob Beschizza

Huashan Death-defying wooden cliff path gets scarier as it goes Andrea James

climbing Fearless fun with rock-climbing baby Heather Johanssen

meru "Meru," a new film on the quest to scale an "unclimbable" mountain in India Mark Frauenfelder

climbing Living in a tent hanging from a cliff with a 4,000 foot drop Mark Frauenfelder

vertigo WATCH: heart-pounding first free ascent of El Capitan's Dawn Wall Andrea James