Denali National Park in Alaska is home to Denali, the tallest mountain in North America at 6,190 metres. The park covers over 24,000 square km of wilderness with tundra, glaciers and wildlife such as grizzly bears, caribou, wolves and moose. A single road leads into the park, mostly served by park buses.

Kenai Fjords National Park near Seward, Alaska, is dominated by the Harding Icefield, from which nearly 40 glaciers flow. Boat tours visit tidewater glaciers and spot whales, sea otters and puffins. Exit Glacier is the only part of the park accessible by road.

Mendenhall Glacier is a 21 km-long glacier flowing into Mendenhall Lake near Juneau, Alaska. Easily accessible, it has a visitor center and trails including one to Nugget Falls beside the glacier. Ice caves and blue ice can be seen, and the glacier has been retreating over recent decades.

Glacier Bay National Park in southeast Alaska is a vast wilderness of tidewater glaciers, fjords and mountains. It is part of a UNESCO World Heritage Site. Visitors explore by cruise ship or boat, watching glaciers calve into the sea and spotting humpback whales, bears and seals.