Discusses unsolved mysteries of ancient civilizations, including information on the Nazca lines, Yeti and Big Foot, Atlantis, and the building of the Great Pyramid of Giza. These are some of the ancient mysteries we still need to solve. Then read Doorway to Demons, a story about what happens when you're the good guy and the bad guy.
Experience the author's personal account of a daring climb after first reading about climbing basics, safety, and famous climbers.
Discusses the sport of snowboarding, including gear, tricks, and famous snowboarders.