In one day, a full grown redwood tree expels more than 2 tons of water through its leaves.
56
Check your map! Virginia extends farther west than West Virginia.
67
Every year, Alaska has about 5,000 earthquakes.
31
The Caspian Sea is also classed as the world's largest lake.
52
The Amazon rainforest produces more than 20% the world's oxygen supply.
182
It's still possible to see the division between East and West Germany due to different light bulbs.
5
More than a dozen men have stood on the surface of the moon, but only three have been to Challenger Deep in the Marianas Trench, the deepest known spot in the ocean.
17