Longest officially recognized place name is Taumatawhakatangihangakoauauotamateapokaiwhenuakitanatahu.
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The city of Houston, Texas is built on a swamp and is slowly sinking!
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The water between India and Sri Lanka is only 3-30 feet deep and was purportedly passable on foot until 1480 AD when a cyclone moved some sand around.
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A volcano has enough power to shoot ash as high as 50 km into the atmosphere.
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Mexico City is built on top of an underground resevoir!
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If Antarctica's ice sheets melted, the worlds oceans would rise by 60 to 65 metres (200 - 210ft) - everywhere
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The state with the longest coastline in the Continental U.S. is Michigan.
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