A man stands at the entrance of an ice cave bathed in warm sunlight and mist, Wrangell-St. Elias National Park; Alaska, United States of America

Historic log cabin surrounded by golden fall colors, Wrangell-St. Elias National Park & Preserve, Southcentral Alaska, Autumn.

Skookum Volcano with fall colors under blue sky, Nabesna Road, Wrangell-St. Elias National Park & Preserve, Southcentral Alaska

Rustic cabins at Ellis' Devil Mountain Lodge at the end of Nabesna Road, Wrangell-St. Elias National Park & Preserve, Southcentral Alaska, Autumn.

Truck driving across the Kuskulana River Bridge on the McCarthy Road in Wrangell-St. Elias National Park and Preserve, Southcentral Alaska, Spring, HDR

View to Jumbo Copper Mine; Kennicott, Alaska, United States of America

Couple sitting by a campfire holding hands under the Kuskulana River Bridge along the McCarthy Road in Wrangell-St. Elias National Park and Preserve, Southcentral Alaska, Spring, HDR

Scenic view of the Kuskulana River Canyon at sunset from the Kuskulana River Bridge on the McCarthy Road in Wrangell-St. Elias National Park and Preserve, Southcentral Alaska, Spring, HDR

Scenic view of the Kuskulana River Canyon and Wrangell Mountains at sunset from the Kuskulana River Bridge on the McCarthy Road in Wrangell-St. Elias National Park and Preserve, Southcentral Alaska, Spring, HDR

Tour boat in front of Margerie Glacier, Tarr Inlet, Glacier Bay National Park and Preserve, Southeast Alaska; Alaska, United States of America

Scenic view of the Kuskulana River Canyon and Wrangell Mountains at sunset from the Kuskulana River Bridge on the McCarthy Road in Wrangell-St. Elias National Park and Preserve, Southcentral Alaska, Spring, HDR

Holland America cruise ship in front of Margerie Glacier, Tarr Inlet, Glacier Bay National Park and Preserve, Southeast Alaska; Alaska, United States of America

Tourists on board the Baranof Wind sightseeing at Margerie Glacier, Tarr Inlet, Glacier Bay National Park and Preserve, Southeast Alaska; Alaska, United States of America

Guided groups recreate on Root Glacier in Wrangell-St. Elias National Park; Alaska, United States of America