Australia's Great Barrier Reef is 1,250 miles long!
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The Niagara Falls moves upstream at an average rate of about 295ft a century!
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The Caspian Sea is also classed as the world's largest lake.
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Even Antarctica has an area code. It's 672.
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It takes a drop of ocean water more than 1,000 years to circulate around the world.
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Longest officially recognized place name is Taumatawhakatangihangakoauauotamateapokaiwhenuakitanatahu.
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Mexico City is built on top of an underground resevoir!
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