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
There's a lake under Antarctica that is 25 million years old called Lake Vostok.
109
Due to gravitational effects, you weigh slightly less when the moon is directly overhead.
55
The city of Houston, Texas is built on a swamp and is slowly sinking!
89
Check your map! The Pacific entrance of the Panama Canal is farther East than the Atlantic entrance.
40
The state of Florida is bigger than England!
74
The Dallas/Ft. Worth airport is larger than New York City's Manhattan Island.
62
It's still possible to see the division between East and West Germany due to different light bulbs.
5