Pearl Geyser, Back Basin – Norris Geyser Basin – Yellowstone-Nationalpark

Pearl Geyser, Back Basin – Norris Geyser Basin – Yellowstone-Nationalpark

Back Basin – Norris Geyser Basin – Yellowstone-Nationalpark

Back Basin – Norris Geyser Basin – Yellowstone-Nationalpark

Back Basin – Norris Geyser Basin – Yellowstone-Nationalpark

Back Basin – Norris Geyser Basin – Yellowstone-Nationalpark

Yellow Funnel Spring, Back Basin – Norris Geyser Basin – Yellowstone-Nationalpark

Yellow Mud Pool, Back Basin – Norris Geyser Basin – Yellowstone-Nationalpark

Yellow Mud Pool, Back Basin – Norris Geyser Basin – Yellowstone-Nationalpark

Back Basin – Norris Geyser Basin – Yellowstone-Nationalpark

Back Basin – Norris Geyser Basin – Yellowstone-Nationalpark

Crater Spring, Back Basin – Norris Geyser Basin – Yellowstone-Nationalpark

Tantalus Creek, Back Basin – Norris Geyser Basin – Yellowstone-Nationalpark

Echinus Geyser, Back Basin – Norris Geyser Basin – Yellowstone-Nationalpark

Steamboat Geyser, Back Basin – Norris Geyser Basin – Yellowstone-Nationalpark

Back Basin – Norris Geyser Basin – Yellowstone-Nationalpark

Emerald Spring, Norris Geyser Basin – Yellowstone-Nationalpark

Emerald Spring, Norris Geyser Basin – Yellowstone-Nationalpark

Emerald Spring, Norris Geyser Basin – Yellowstone-Nationalpark

Emerald Spring, Norris Geyser Basin – Yellowstone-Nationalpark

Porcelain Basin – Norris Geyser Basin – Yellowstone-Nationalpark

Porcelain Basin – Norris Geyser Basin – Yellowstone-Nationalpark

Porcelain Basin – Norris Geyser Basin – Yellowstone-Nationalpark

Porcelain Basin – Norris Geyser Basin – Yellowstone-Nationalpark

Porcelain Basin – Norris Geyser Basin – Yellowstone-Nationalpark

Porcelain Basin – Norris Geyser Basin – Yellowstone-Nationalpark

Porcelain Basin – Norris Geyser Basin – Yellowstone-Nationalpark

Porcelain Basin – Norris Geyser Basin – Yellowstone-Nationalpark

Congress Pool, Porcelain Basin – Norris Geyser Basin – Yellowstone-Nationalpark

Porcelain Basin – Norris Geyser Basin – Yellowstone-Nationalpark