JOHN THOMPSON is a regular contributor to National Geographic books and other publications. His works include National Geographic Guide to America's Outdoors: Southeast, Our National Parks, and books on the National Historic Trails and the Appalachia region of the U.S. A former resident of Washington, D.C., he now lives in Charlottesville, Virginia. DIANA PARSELL is a writer and editor in Washington, D.C. She has written for National Geographic, The Washington Post, Smithsonian, Science News, and many other publications. Parsell holds graduate degrees in journalism and nonfiction writing from the University of Missouri and Johns Hopkins University. JENNY ROUGH has been published by magazines, newspapers, anthologies, e-zines, and public radio. Formerly a lawyer, she switched careers to do what she always loved--write. Rough is based in Alexandria, VA. R ICHARD NOWITZ is a contributing photographer to the National Geographic Image Collection. He has been the principal photographer of more than 20 large-format photo and travel guides and was honored by the Society of American Travel Writers as Travel Photographer of the Year in 1968.