If Antarctica's ice sheets melted, the worlds oceans would rise by 60 to 65 metres (200 - 210ft) - everywhere
181
Every person in the world can fit in Texas and be given over 1000 sq ft in which to live.
14
Due to gravitational effects, you weigh slightly less when the moon is directly overhead.
55
The Niagara Falls moves upstream at an average rate of about 295ft a century!
48
The Dallas/Ft. Worth airport is larger than New York City's Manhattan Island.
62
A volcano has enough power to shoot ash as high as 50 km into the atmosphere.
59
The names of the continents all end with the same letter with which they start, excluding the North and South infront of AmericA.
86