Excelsior Geyser, Thermal pool in Midway Geyser Basin, Wyoming, US.
Excelsior Geyser is a hot spring in Midway Geyser Basin with a deep crater-like pool filled with brilliant blue water. Hot water flows continuously from the basin, creating steaming channels that wind through the surrounding ground.
Geologists named this formation in 1871 during a scientific survey, inspired by the concept of superiority and greatness. Through the 1880s it earned fame for regular eruptions before entering a long quiet period lasting over a century.
The name reflects the fountain's powerful nature, which has captivated visitors since its discovery. Today it serves as a focal point in the basin where people witness the raw power of geothermal activity up close.
The best time to visit is early morning when steam patterns highlight the water's blue color most clearly. Elevated wooden walkways guide visitors safely around the crater, and paths stay open year-round though winter conditions can make surfaces slippery.
A photographer captured the sole known image of an eruption in 1888, preserving that dramatic moment for history. This historical photograph remains the only visual record of the geyser's spectacular displays from that era.
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