Driving the International Selkirk Loop has been on our must-do list for a long time. It’s a 280-mile scenic drive that circles the Selkirk Mountains of Washington, Idaho, and British Columbia. And it’s one of only 32 All-American Road National Scenic Byways in the U.S. We planned a 3-day itinerary, spending the first day/night in beautiful Sandpoint, Idaho. What we did: We drove up to the Schweitzer Mountain Ski Resort and hopped on the Great Escape Quad for a scenic ride to the top of Schweitze