He hadn't "conquered" anything. But as he checked his phone for the first time in a week and saw a mountain of notifications, he simply turned it off and looked back out the window. The adventure hadn't changed the world, but it had certainly changed how much of it he felt he needed to control.
Look into White-water rafting in West Virginia’s New River Gorge or Cabled climbing on Yosemite’s Half Dome . adventure vacations
If you're thinking of planning your own adventure, here are a few starting points based on different "difficulty" levels: He hadn't "conquered" anything