USA, Wyoming, Yellowstone National Park, Midway Geyser Basin, Grand Prismatic Pool, Tourists

---

USA, Wyoming, Yellowstone National Park, Midway Geyser Basin, Grand Prismatic Pool, pool runoff of orange bacteria and algae (called Therophiles), tourist looking on

---

Size: 5120px × 3413px
Photo credit: © Richard Maschmeyer / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: attraction, attractions, basin, boardwalk, color, colorful, colors, destination, destinations, geological, geology, geothermal, geyser, grand, group, horizontal, image, images, individuals, midway, national, outdoors, park, people, persons, prismatic, sightsee, sightseeing, sightseer, sightseers, spring, states, steam, tour, touring, tourism, tourist, tourists, travel, traveler, travelers, united, usa, visitor, visitors, walk, walkway, wyoming, yellowstone