Visiting Alaska’s Wrangell-St. Elias National Park

Sitting on the edge of Alaska, an 8-hour drive from Anchorage, are the 13.2 million acres that make up Wrangell-St. Elias National Park. The park contains an active volcano, nine of the 16 highest peaks in America and countless glaciers, as well as the last community inside a national park. Jeff Glor reports.