Tennessee: Great Smoky Mountains National Park

Great Smoky Mountains National Park

Torngat Mountains National Park: Labrador, Canada

Guadalupe Mountains National Park, Texas

Great Sand Dunes National Park, Colorado

Great Basin National Park, Nevada

The Blue Ridge Parkway: The Great Smoky Mountains

Scenic Mountains in Denali National Park, Alaska

Blue Ridge Parkway: The Great Smoky Mountains

The Great Smoky Mountains

Guadalupe Peak Trail, Guadalupe Mountains National Park

Guadalupe Mountains National Park, Teksas

Great Basin National Park, Nevada

The Great Everglades National Park