Old Faithful geyser. Reaching up to 185' in height and lasting up to 5 minutes, Old Faithful geyser is the most famous geyser in the world and the first geyser in Yellowstone to be named.
Location: Upper Geyser Basin, Yellowstone National Park, Wyoming
Image ID: 26945
The rare yellow zoanthid anemone Epizoanthus giveni, in large aggregations on the Yellow Wall at Farnsworth Banks, Catalina Island.
Location: Catalina Island, California
Image ID: 39531
The rare yellow zoanthid anemone Epizoanthus giveni, in large aggregations on the Yellow Wall at Farnsworth Banks, Catalina Island.
Location: Catalina Island, California
Image ID: 39532
Arizona lupine is a common early spring ephemeral wildflower of the Colorado Desert. The purple-pink flowers show a yellow spot on the upper petal, which changes in color to red once the flower has been pollinated to discourage insects from visiting it after pollination.
Location: Anza-Borrego Desert State Park, Borrego Springs, California
Image ID: 35174