Wrangell-St. Elias National Park, Alaska, 2003Photograph by Frans LantingSeen from above, a network of countless tributaries gleams like molten metal in Alaska's Wrangell-St. Elias National Park. Larger than Connecticut, Rhode Island, and Massachusetts combined, the park protects more than 13 million acres (5 million hectares) of mountains, tundra, forests, ice fields—and solitude.