Morning Glory Spring, Yellowstone National Park, United States

Morning Glory Pool is a hot spring in the Upper Geyser Basin of Yellowstone National Park in the United States.
History
The pool was named by Mrs. E. N. McGowan, wife of Assistant Park Superintendent, Charles McGowan in 1883. She called it Convolutus, the Latin name for the morning glory flower of which the springs resemble. By 1889, the name Morning Glory Pool had become common usage in the park. Many early guidebooks called this feature Morning Glory Spring.