Just minute from Honolulu's famous stretch of beachfront hotels, Oahu offers knife-edged cliffs, sparkling bays, verdant rainforests, and yawning beaches that stretch for miles. Oahu Trails features 45 walks and hikes that will appeal to everyone, with trips ranging from a quiet wander through the Foster Botanical Garden to a 14-mile adventure along the Upper Waimano Trail to the crest of the rainy Koolau mountains. Along the way, you'll...