Andy C sends us The Colorado Grand - a world-renowned non-competitive vintage car tour that takes place in September in the Colorado Rockies.  Founded in 1989 by automotive enthusiast Bob Sutherland, the event brings together roughly 85 to 90 of the world’s rarest pre-1960 sports and racing cars for a 5-day, 1,000-mile journey.  The Tour is strictly limited to distinctive sports and race cars built in 1960 or earlier.  The tour traditionally starts and ends in Vail, Colorado.  The route changes every year to wind through different mountain passes, straightaways, and high-altitude towns - right as the aspen leaves begin to turn golden.
More pics and information here.