An explosion of yellow aspen ("Populus tremuloides") seen from Forest Road 151, part of the Around the Peaks Loop scenic drive with ponderosa pine ("Pinus ponderosa") in the foreground. For details on the drive, go to www.fs.fed.us/r3/coconino/recreation/peaks/around-peaks-s.... Taken by Brady Smith on 9-30-09. Credit: USDA Forest Service, Coconino National Forest.