Grand Prismatic Spring
Want to see more? Browse beautiful photos at Yellowstone National Park, as well as #grandprismaticspring!
Located in Yellowstone National Park, Grand Prismatic is the largest hot spring in the United States — third largest in the world — spanning 80 by 90 meters (250 by 300 feet). The spring’s picture perfect vivid colors are the result of hard working pigmented bacteria that grows around the edges of the mineral-rich water, and the center of the pool is completely sterile due to extreme heat.

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The Week on Instagram | 38
News
- New York Times: The Candid Cameras of Teammates Keep Stars Humble
- Guest photographers take over the New Yorker’s Instagram account (Follow along at @newyorkermag)
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- Weekend Hashtag Project: #WHPovergrown. View some of our favorite photos from last weekend’s worldwide InstaMeet, #WMIMadventure.
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