The Dallas/Ft. Worth airport is larger than New York City's Manhattan Island.
62
The water of the Antarctica is so cold that nothing can rot there.
334
The longest cave in the world is the 'Mammoth Cave System' in the USA at 560,000 mtrs deep!
63
The warmest temperature ever recorded on Antarctica was 3 degrees F.
175
The average ice berg weighs 20,000,000 tons!
54