RMB6KF12Opal Pool, Midway Geyser Basin, Yellowstone National Park; Wyoming; USA
RMTWFWTEPanorama of Opal Pool, near Grand Prismatic Spring, in the Midway Geyser Basin,
RFCXY3DROpal Pool, Midway Geyser Basin, Yellowstone National Park, Wyoming, USA
RME0B9CROpal Pool, Midway Geyser Basin, Yellowstone national park, USA
RMTWFWY1zoomed image of Opal Pool, near Grand Prismatic Spring, in the Midway Geyser Basin,
RM2AGYBN7Midway geyser basin Opal Pool at Yellowstone National Park Wyoming, USA
RFJ1CBXBOpal Pool, Midway Geyser Basin, Yellowstone National Park, Wyoming, USA
RM2B2D80WOpal Pool is a hot spring in the Midway Geyser Basin of Yellowstone National Park
RMB5ERAGOpal Pool, Midway Geyser Basin, Yellowstone National Park
RFJ1CBXDOpal Pool, Midway Geyser Basin, Yellowstone National Park, Wyoming, USA
RFDGB7H9Opal Pool in the Midway Geyser Basin Yellowstone NP Wyoming USA
RFJ1CBXCOpal Pool, Midway Geyser Basin, Yellowstone National Park, Wyoming, USA