Nature's incredible, exotic beauty72Nature's incredible, exotic beautyNeverending fight to save our planet63Neverending fight to save our planetHiker achieving Bright Angel Point at the end of the trail60Hiker achieving Bright Angel Point at the end of the trailWinter view of part of Bright Angel Trail72Winter view of part of Bright Angel TrailPoint Imperial view from North Rim50Point Imperial view from North RimBright Angel Point, North Rim, Grand Canyon70Bright Angel Point, North Rim, Grand CanyonTerrifying image of the abyss of the Grand Canyon70Terrifying image of the abyss of the Grand CanyonSunset and Rain at Isle Royale60Sunset and Rain at Isle RoyaleBurnt Island - Another spectacular part of the park42Burnt Island - Another spectacular part of the parkClaret Cup Cactus bloom on Mogollon Rim. AZ60Claret Cup Cactus bloom on Mogollon Rim. AZMogollon Rim, Coconino/Apache-Sitgreaves National Forests60Mogollon Rim, Coconino/Apache-Sitgreaves National ForestsDifferent view of Columbia Icefield, Canada35Different view of Columbia Icefield, CanadaAriel view of part of the Columbia Ice Fields35Ariel view of part of the Columbia Ice FieldsClimate change is real!32Climate change is real!Twilight photo of hoodoo on Mt. Lemmon at Windy Point63Twilight photo of hoodoo on Mt. Lemmon at Windy PointTable Mountain in the Santa Catalina Mountains72Table Mountain in the Santa Catalina MountainsLast light of day on compressed, layered volcanic ash70Last light of day on compressed, layered volcanic ashPainted Hills Mountain Range, Oregon70Painted Hills Mountain Range, OregonNavajo Bridge and Vermilion Cliffs National Monument60Navajo Bridge and Vermilion Cliffs National MonumentMilky Way as Sparkling Rainbow over White Pocket72Milky Way as Sparkling Rainbow over White Pocket