The water of the Antarctica is so cold that nothing can rot there.
334
The warmest temperature ever recorded on Antarctica was 3 degrees F.
175
Venice Island was built on a foundation of tree trunks. 1200 years later, those same trunks still support almost all of central Venice.
8
More than a dozen men have stood on the surface of the moon, but only three have been to Challenger Deep in the Marianas Trench, the deepest known spot in the ocean.
17
The Amazon rainforest produces more than 20% the world's oxygen supply.
182
Australia's Great Barrier Reef is 1,250 miles long!
45
The longest cave in the world is the 'Mammoth Cave System' in the USA at 560,000 mtrs deep!
63