Half Dome Tongass National Forest Muskeg Yellow Monkey-flower Yukon Saxifrage Bog Bunchberry Nootka Lupine Bridalveil Falls Upper Yosemite Falls Yosemite Morning Yosemite Evening Epiphyllum Epiphyllum Coral Pink Sand Dunes Coral Pink Sand Dunes State Park, Utah Zion National Park, Observation Point Trail Zion National Park, Observation Point Trail Bryce Canyon National Park Bryce Canyon National Park Acanthocalycium spiniflorum Thelocactus setispinus Easter Cactus Christmas Cactus Upper Yosemite Falls Yosemite Falls Dead Horse Point Dead Horse Point Tall Jacob's Ladder Marsh Violet Firewheel Soft Green-eyes Bluebonnets and Paintbrush Nodding Thistle Red Canyon Red Canyon Amargosa Sand Dunes Nevada Landscape Rhyolite Bank Rhyolite Sculpture Ash Meadows National Wildlife Refuge Point of Rocks Trail Red Canyon, Utah Red Canyon, Utah Winecups Winecups