Katmai National Park and Preserve
Katmai National Park
Kobuk Valley National Park
Lake Clark National Park and Preserve
Lake Clark National Park
Grand Teton National Park
Wrangell-St. Elias National Park
Gates of the Arctic National Park
Gates of the Arctic National Park and Preserve
Denali National Park
Denali National Park and Preserve
Mount Rainier National Park
Capitol Reef National Park
Zion National Park
Kenai Fjords National Park
Rocky Mountain National Park
northern bog lemming
Synaptomys borealis
Voyageurs National Park
Arches National Park
Alaska Range
Hubbard
Lassen Volcanic National Park
Bryce Canyon National Park
Mount Hubbard
St. Elias Mountains
Sun Valley
Saint Elias Mountains
Acadia National Park
St. Elias Range
Platt National Park
Chickasaw National Recreation Area
Canyonlands National Park
Kings Canyon National Park
Shenandoah National Park
Bufo boreas
western toad
Yellowstone National Park
Haleakala National Park
Great Smoky Mountains National Park
tarn
Iditarod Trail
Grand Canyon National Park
Yosemite National Park
Sequoia National Park
McKinley
Mount McKinley
Redwood National Park
Denali
Mt. McKinley
SP
North Peak
Badlands National Park
Seward Peninsula
Theodore Roosevelt Memorial National Park
Crater Lake National Park
Theodore Roosevelt National Park
ski run
North Cascades National Park
hummock