In 1805, a member of a survey crew working on building a road through New Hampshire's Franconia Notch walked down to Ferrin's Pond (today's Profile Lake), gazed up the side of Cannon Mountain, and was mesmerized by what he saw--the state's most iconic symbol, the Old Man of the Mountain profile. A few years later, the Flume Gorge, an 800-foot-long natural gorge, was discovered. These natural curiosities quickly gained national attention, and by...