Face it: Every so often, running among the alpine splendor, majestic elk and views of the Continental Divide gets, well, boring. At times like those, it's nice to have something civilized to look at. This three-mile stretch of the Highline Canal provides a rare kind of scenery for the jogging voyeur: close-up vistas of the rich and famous. Check out the backsides of 10,000-square-foot mansions! Thrill to six-figure landscaping jobs! They'll never know you were there.