The Caspian Sea is also classed as the world's largest lake.
52
The state with the longest coastline in the Continental U.S. is Michigan.
31
The water of the Antarctica is so cold that nothing can rot there.
334
In one day, a full grown redwood tree expels more than 2 tons of water through its leaves.
56
Australia's Great Barrier Reef is 1,250 miles long!
45
The Amazon rainforest produces more than 20% the world's oxygen supply.
182
There are more than 50,000 earthquakes throughout the world every year!
47