Warning sign at Sleeping Bear Dunes National Lakeshore Park24Warning sign at Sleeping Bear Dunes National Lakeshore ParkClimbing Sleeping Bear Dunes on Lake Michigan70Climbing Sleeping Bear Dunes on Lake MichiganCastle Coves in Pictured Rocks National Lakeshore Park48Castle Coves in Pictured Rocks National Lakeshore Park, Pictured Rocks, Michigan, Lake Superior54, Pictured Rocks, Michigan, Lake SuperiorNew Mexico State Flower Yucca in bloom60New Mexico State Flower Yucca in bloomFull Moon sheds ghostly image of White Sands and the desert63Full Moon sheds ghostly image of White Sands and the desertDeer Park in the Mist-54Deer Park in the Mist-Climbing Mt. Olympus48Climbing Mt. OlympusExample of the very large Eureka dunes70Example of the very large Eureka dunesDusk at the end of a perfect day in Eureka Dunes72Dusk at the end of a perfect day in Eureka DunesEureka Sand Dunes in Death Valley National Park, CA60Eureka Sand Dunes in Death Valley National Park, CAClose-up of Emmons Glacier at Mt Rainier National Park.70Close-up of Emmons Glacier at Mt Rainier National Park.Grove of the Patriarchs & Ohanapecosh River70Grove of the Patriarchs & Ohanapecosh RiverSaline Valley Sand Dunes (less known part of Death Valley)60Saline Valley Sand Dunes (less known part of Death Valley)Dawn on a cloudy morning at Badwater Basin70Dawn on a cloudy morning at Badwater BasinTorngat Mountains National Park80Torngat Mountains National ParkPainted Canyon Overlook at Theodore Roosevelt National Park56Painted Canyon Overlook at Theodore Roosevelt National ParkSkull Arch located appropriately Fiery Furnace63Skull Arch located appropriately Fiery FurnaceCovert Arch of Lost Spring Canyon is a recent addition70Covert Arch of Lost Spring Canyon is a recent additionSlot Canyon as Abstract Art Sculpture63Slot Canyon as Abstract Art Sculpture