El Capitan remains his most famous climb, and the worldwide acclaim it generated allowed Honnold to pursue climbing full-time while living a nomadic, road-based lifestyle. However, this marks the first time Honnold has attempted to scale a skyscraper.

Skyscraper Live is an event that will feature rock climber Alex Honnold climbing the Taipei 101 skyscraper, one of the tallest buildings in the world, without a harness. Honnold is best known as the star of "Free Solo," a documentary that focused on his attempt to climb the El Capitan rock formation in Yosemite National Park without a harness.

Few climbers take on this niche pursuit, where one mistake could mean death. Three of them talk about its unique mental and physical demands.

My palms are already sweating.

While Alex Honnold has long been a legend in the outdoor community for his mastery of "free soloing"-- climbing without ropes or safety gear -- he became a household name following his historic 2017 ascent of El Capitan,

There’s one obvious way Alex Honnold’s ascent could go horrifyingly wrong. Watch these films to reassure yourself that it (almost certainly) won’t.

“It’s just rare to get this kind of opportunity, so you gotta jump when you can," said Alex Honnold

Alex Honnold is one of the most successful climbers in history and is set to become the first person to climb Taipei 101 without any safety equipment.