Gates of the Arctic: Vast, remote Alaskan wilderness, no roads/trails. Reach by plane. 8.5M acres, 2nd largest in system.
Remote, lesser-visited National Park of American Samoa offers lush South Pacific ecosystem, wildlife, coral reefs.
Kobuk Valley NP: 9th largest park, Alaska. Home to huge caribou migration - 500k cross sand dunes yearly.
North Cascades NP, near Seattle, boasts stunning peaks, valleys, 300+ glaciers - most outside Alaska. Low annual visitors despite beauty.
Remote Alaskan park: Lake Clark. Vast, scenic (2.6M acres), no roads. Access by plane. Glaciers, mountains, volcanoes.
Katmai NP: Vast Alaskan wilderness with bears at Brooks Falls, bus tours to Valley of Ten Thousand Smokes' volcanic site.
Isle Royale NP: 850 acres, 165mi trails, remote in Lake Superior. Scenic archipelago, lighthouses, limited crowds.
Wrangell-St. Elias: Largest US park at 8.3M acres, hosts Mt. Wrangell volcano and Nabesna Glacier, despite fewer visitors.
Remote Dry Tortugas Park: 70 miles off Key West, accessible by ferry/seaplane. Pristine snorkeling, vibrant marine life, limited crowds.
Alaska's vast Glacier Bay: 6th largest US park, 3.2M acres. 2021 had 90K visitors for stunning coast glaciers.