Alex Honnold says he needed to know if scaling the Taipei 101 was even possible before he did Netflix’s "Skyscraper Live" special, so he turned to a more traditional way of climbing to find out.

How did Alex Honnold get down from Taipei 101 after scaling the skyscraper without ropes? Confirmed details explain what ...

YOSEMITE NATIONAL PARK, CALIFORNIA—Renowned rock climber Alex Honnold on Saturday became the first person to scale the iconic ...

I kind of lost track of space and time,” the American told NBC News' "TODAY" after he climbed the famous skyscraper.