Europe is the only continent without a desert.
62
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
10 of the tributaries flowing into the Amazon river are as big as the Mississippi river.
41
Every year, Alaska has about 5,000 earthquakes.
31
It's still possible to see the division between East and West Germany due to different light bulbs.
5
There are approximately three chickens for every human on Earth.
13
An earthquake on Dec. 16, 1811 caused parts of the Mississippi River to flow backwards.
243