Australia's Great Barrier Reef is 1,250 miles long!
45
One cubic mile of seawater contains about 50 pounds of gold.
79
The Dallas/Ft. Worth airport is larger than New York City's Manhattan Island.
62
Every person in the world can fit in Texas and be given over 1000 sq ft in which to live.
14
Check your map! Virginia extends farther west than West Virginia.
67
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
It's still possible to see the division between East and West Germany due to different light bulbs.
5