Every year, Alaska has about 5,000 earthquakes.
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Longest officially recognized place name is Taumatawhakatangihangakoauauotamateapokaiwhenuakitanatahu.
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A waterfall known as The Devil's Kettle empties water into a hole and nobody knows where it ends up!
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Forest fires move faster uphill than downhill.
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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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It takes a drop of ocean water more than 1,000 years to circulate around the world.
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The longest cave in the world is the 'Mammoth Cave System' in the USA at 560,000 mtrs deep!
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The Caspian Sea is also classed as the world's largest lake.
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