There's a lake under Antarctica that is 25 million years old called Lake Vostok.
109
The Dallas/Ft. Worth airport is larger than New York City's Manhattan Island.
62
Due to gravitational effects, you weigh slightly less when the moon is directly overhead.
55
Check your map! Virginia extends farther west than West Virginia.
67
Israel's Dead Sea is 1,312 feet below sea level.
48
The 'King Ranch' in Texas is bigger than the state of Rhode Island.
49
The longest cave in the world is the 'Mammoth Cave System' in the USA at 560,000 mtrs deep!
63
The Atlantic Ocean is saltier than the Pacific Ocean.
54