Gates of the Arctic National Park and the Brooks Mountain Range, Alaska

Katmai National Park and Brooks Camp, Alaska

Mt. Ranier National Park, Washington

Death Valley National Park, California

White Sands National Park, New Mexico

Carlsbad Caverns National Park, New Mexico

Valley of Fire State Park, Nevada

Everglades National Park, Florida

Dry Tortugas National Park, Florida

Shenandoah National Park, Virginia

Brú na Bóinne, Republic of Ireland

Giant's Causeway, Northern Ireland

Lake Clark National Park and Preserve, Alaska

Crater Lake National Park, Oregon