Climbing the Seven SummitsAconcagua; Denali; Elbrus; Everest; Kilimanjaro; Kosciuszko; Vinson. To a climber, these mountains are known as the "Seven Summits" the highest peaks on each continent. And from Antarctica to Alaska, Nepal to Tanzania, each year thousands of climbers from all over the world attempt at least one of them, while a growing number have plans to climb each and every mountain. Drawing on years of experience, veteran Seven Summit mountain guide Mike Hamill