To-Do List | Outdoor Project

North Cascades National Park

North Cascades, Washington

Mammoth Cave National Park

Mississippi Plateau, Kentucky

Hawai‘i Volcanoes National Park

Big Island, Hawai'i

Lassen Volcanic National Park

Mount Lassen Volcanic Area, California

Mesa Verde National Park

Colorado Plateau, Colorado

Craters of the Moon National Monument and Preserve

Upper Snake River Valley, Idaho

Matthew Durrant

Skyline to the Sea Trail: Saratoga Gap to Big Basin Headquarters

Castle Rock + Big Basin State Park

Joshua Tree National Park

Western Sonoran + Colorado Desert, California

Rocky Mountain National Park

Northern Front Range, Colorado

Lassen Peak

Lassen Volcanic National Park

Patrick Mueller

Olympic National Park

Western Olympic Peninsula, Washington

Rubicon Trail

D.L. Bliss + Emerald Bay State Parks