As geologists, Brian White and John Brady add fresh depth with observations on the geology, plant, and animal lore included with each hike. Bartholomew's Cobble may be a brief 3-miler, but its fascinating history spans thousands of years. The Caratunk Wildlife Refuge is a mecca for birders, and the giant boulder maze left by glaciers long ago lend a sense enchantment to the hike. Fields of wildflowers, towering summits, deep forests, windswept...