Israel's Dead Sea is 1,312 feet below sea level.
48
Forest fires move faster uphill than downhill.
52
The Sahara desert expands at about 1km per month.
90
Connecticut and Rhode Island never ratified the 18th Amendment (Prohibition).
25
If Antarctica's ice sheets melted, the worlds oceans would rise by 60 to 65 metres (200 - 210ft) - everywhere
181
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
It's still possible to see the division between East and West Germany due to different light bulbs.
5