Orange Mound Spring, Hot spring in the United States of America
Orange Mound Spring is a stunning hot spring located within Yellowstone National Park.
This natural feature has been known since the exploration by the Washburn-Langford-Doane Expedition in 1870.
In historical context, it's part of the extensive geothermal phenomena that led to the creation of the first national park.
Visitors can view the spring but are advised to stay on designated boardwalks for safety and preservation.
Distinguished by its vibrant orange coloration, resulting from thermophilic bacteria living in the mineral-rich waters.
Source: Wikimedia