Castle geyser.
Castle Geyser is a cone geyser in the Upper Geyser Basin of Yellowstone National Park. It is noted for the particularly large geyserite sinter deposits, which form its cone. These deposits have been likened in appearance to a castle.
© Yulia Basova
Copyright for this gallery photo belongs solely to Yulia Basova. Images may not be copied, downloaded, or used in any way without the express, written permission of the photographer.