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
The water of the Antarctica is so cold that nothing can rot there.
334
The 'King Ranch' in Texas is bigger than the state of Rhode Island.
49
The average ice berg weighs 20,000,000 tons!
54
The state of Florida is bigger than England!
74