Honnold's path has been shaped by painful lessons.

Poor weather on Saturday forced U.S. climber Alex Honnold to postpone his "free solo" rope and harness-free ascent of the outside of Taiwan's Taipei 101 skyscraper, one of the world's tallest building...

Alex, a professional rock climber, is waiting to try and climb Taipei 101 in Taiwan's capital ... the skyscraper is 1,667 feet and 101 stories and Alex wants to climb it without the aid of ropes.