"Gibbon Falls, Yellowstone National Park, Wyoming, USA"

"Sign, Wyoming 150 North, on the way north to the Grand Teton National Park, USA"

"Participants of the Old Faithful Yellowstone tour, at the entrance sign to Yellowstone National Park, Wyoming, USA"

"Jackson Point Lookout, Signal Mountain Road, Grand Teton National Park, Wyoming, USA"

Grand Prismatic Spring, Midway Geyser Basin, Yellowstone-Nationalpark, Wyoming, USA, Nordamerika

"Lower Falls, view from Lookout Point, Grand Canyon of the Yellowstone River, North Rim, Yellowstone National Park, Wyoming, USA"

"Lodgepole Pine or Shore Pine (Pinus contorta), Grand Canyon of the Yellowstone River, Inspiration Point, North Rim, Yellowstone National Park, Wyoming, USA"

"Lower Falls with the Red Rock Trail, Grand Canyon of the Yellowstone River, view from North Rim, Yellowstone National Park, Wyoming, USA"

"Entrance sign to Johnson Canyon, Johnson Canyon Road, Grand Staircase-Escalante National Monument, Utah, Southwestern USA, USA"

Multi-langual danger sign, Grand Canyon, Arizona, USA, North America

"Entrance sign at the Smoky Mountain Road towards Escalante, Grand Staircase-Escalante National Monument GSNEM, Bigwater, Glen Canyon National Recreation Area, Arizona, Utah, Southwestern USA, USA"

"Hot spring, boiling water, steam, Crested Pool, Castle-Grand Area, Upper Geyser Basin, Yellowstone National Park, Wyoming, Western United States, USA, United States of America, North America"

"Hot spring with a cone geyser, steam column, water vapor, Castle Geyser, Castle-Grand Area, Upper Geyser Basin, Yellowstone National Park, Wyoming, Western United States, USA, United States of America, North America"

Warning Sign for hikers, warning exhaustion and heat, Grand Canyon National Park, Arizona, USA, North America

"Sign at the Grand Canyon of the Yellowstone, Wyoming, USA"