Category: U.S. National Parks
The Alaska Highway and Wrangell-St. Elias National Park, Canada and Alaska
Great Sand Dunes National Park, Colorado
Zion National Park, Utah and Page, Arizona
Yosemite National Park and Death Valley National Park, California
Redwood National Park, California and Cape Perpetua, Oregon
Guadalupe Mountains National Park, Texas and Saguaro National Park, Arizona
White Sands National Monument and Carlsbad Caverns National Park, New Mexico