Worlds

World’s largest acidic geyser erupts again in Yellowstone after years of silence

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The world’s largest acidic geyser has begun erupting again in Yellowstone after slumbering for over five years, the national park said Monday. Echinus Geyser, located in the back basin of the Norris Geyser Basin at Yellowstone, is about 66 feet wide and is surrounded by rocks that resemble sea urchins. The geyser was named for … Read more

‘World’s longest’ purpose-built cycling tunnel opens in Norway | CNN

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Editor’s Note: Sign up for Unlocking the World, CNN Travel’s weekly newsletter. Get news about destinations opening, inspiration for future adventures, plus the latest in aviation, food and drink, where to stay and other travel developments. CNN  —  There are many ways to explore the seven mountains that surround the picturesque UNESCO World Heritage city … Read more