Israel's Dead Sea is 1,312 feet below sea level.
48
Venice Island was built on a foundation of tree trunks. 1200 years later, those same trunks still support almost all of central Venice.
8
Australia's Great Barrier Reef is 1,250 miles long!
45
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 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 Amazon rainforest produces more than 20% the world's oxygen supply.
182