The city of Houston, Texas is built on a swamp and is slowly sinking!
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The Caspian Sea is also classed as the world's largest lake.
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In one day, a full grown redwood tree expels more than 2 tons of water through its leaves.
56
Forest fires move faster uphill than downhill.
52
The warmest temperature ever recorded on Antarctica was 3 degrees F.
175
Check your map! The Pacific entrance of the Panama Canal is farther East than the Atlantic entrance.
40