Two thirds of the world’s geysers are located here at Yellowstone National Park, each with its own unique characteristics. Shown here is the Great Fountain Geyser, which erupts every 9 to 15 hours with sprays that reach 75 feet to over 220 feet in the air. More than just a spectacle, these geysers are evidence of the volcanic activity simmering beneath the surface. Yellowstone’s last major volcanic eruption occurred about 630,000 years ago, and the potential for future activity is the subject of much curiosity—and speculation.
Great Fountain Geyser, Yellowstone National Park, Wyoming
Today in History
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Midnight sun
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It’s Penguin Awareness Day
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The Alhambra in Granada, Spain
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Feelin groovy on Record Store Day
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Red fox
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Celebrating Flag Day
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Goðafoss waterfall, Iceland
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The Giants Causeway, Northern Ireland
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Polar bears
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Santorini, Greece
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Over the boardwalk
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Endangered Species Day
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What the hay?
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New York City Marathon
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Kluane National Park
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It s Asian American and Pacific Islander Heritage Month
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Watch your step
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The island fox’s incredible comeback
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India Republic Day
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A garden of prickly delights
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World Book Day
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A place fit for the gods
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Juneteenth
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Monarch butterflies migrate south
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Indigenous Peoples Day
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Happy Astronomy Day!
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Smoking nights in Austria
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Groundhog Day arrives—beyond a shadow of a doubt
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Gifford Pinchot National Forest
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Penguins can t fly!