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Excelsior!

The Excelsior was once that largest geyser in the world, reaching heights of 300 feet. After major eruptions in the 1800s, it took most of the 20th century off, then erupted continuously for two days in 1985. These days, it's a beautiful blue hot spring.

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Uploaded on August 23, 2015
Taken on July 9, 2015