Peak travel: Viewing the U.S. from each state's highest point

"Highpointers" are people with a quirky goal: summiting the highest point in each of the 50 states, from Mt. McKinley in Alaska (elevation: 20,310 feet above sea level), to Florida's Britton Hill (elevation: 345 feet). Conor Knighton talks with some intrepid travelers whose mission is to view the United States from the unique perspective of each state's tallest peak.