Check your map! The Pacific entrance of the Panama Canal is farther East than the Atlantic entrance.
40
Forest fires move faster uphill than downhill.
52
There's a lake under Antarctica that is 25 million years old called Lake Vostok.
109
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
Mexico City is built on top of an underground resevoir!
47
The Atlantic Ocean is saltier than the Pacific Ocean.
54
Connecticut and Rhode Island never ratified the 18th Amendment (Prohibition).
25