Managing thousands of details and multiple risks for each of the multimillion-dollar houses he builds, he spent years rushing around with "one foot off the ground 20 hours a day, running the same scenarios through my mind time and time again, and being unable to put it aside, " says Mr. Weissensee, 58, of Mill Valley, Calif.

WSJ: When Stress Is Good for You

I'm standing on a small ledge, one 100-foot pitch off the ground, 30 more from the top.

WSJ: El Capitan's Nose in a Day | By Michael J. Ybarra

It has twelve-foot-tall tires, and its cab sits twenty-one feet off the ground.

NEWYORKER: Unconventional Crude