The longest cave in the world is the 'Mammoth Cave System' in the USA at 560,000 mtrs deep!
63
There's a lake under Antarctica that is 25 million years old called Lake Vostok.
109
The names of the continents all end with the same letter with which they start, excluding the North and South infront of AmericA.
86
Every person in the world can fit in Texas and be given over 1000 sq ft in which to live.
14
Even Antarctica has an area code. It's 672.
58
Australia's Great Barrier Reef is 1,250 miles long!
45
The warmest temperature ever recorded on Antarctica was 3 degrees F.
175
The Dallas/Ft. Worth airport is larger than New York City's Manhattan Island.
62