It's a tough lesson: There is no summit that comes before you expect it.

I just love all this,' Walt says. 'The sights, the smells, making the effort and pushing yourself and getting something that's really hard to get. I'll fly on a plane and people will look out the window at thirty thousand feet and say, 'Isn't this view good enough for you?' And I say no, it's not good enough. I didn't earn it. In the mountains, I earn it.

I like the mountains because they make me feel small,' Jeff says. 'They help me sort out what's important in life.

That was the thing about Levantin: he loved the birds, but he really loved the places they brought him. When you spend your career in the confines of a gray suit, the pipits at dawn above timberline are even more wondrous.