Alex Honnold is gearing up for one of the most dangerous challenges of his career: attempting a free solo climb—without any ropes or protective gear—on Taipei 101, one of the tallest skyscrapers in th...

Famed rock climber Alex Honnold masterfully ascended one of the world’s tallest skyscrapers without a rope.

Honnold’s attempt is a true free solo, meaning no ropes, harnesses or safety nets.