Israel's Dead Sea is 1,312 feet below sea level.
48
The longest cave in the world is the 'Mammoth Cave System' in the USA at 560,000 mtrs deep!
63
Venice Island was built on a foundation of tree trunks. 1200 years later, those same trunks still support almost all of central Venice.
8
An earthquake on Dec. 16, 1811 caused parts of the Mississippi River to flow backwards.
243
The water between India and Sri Lanka is only 3-30 feet deep and was purportedly passable on foot until 1480 AD when a cyclone moved some sand around.
1
Mexico City is built on top of an underground resevoir!
47
The 'King Ranch' in Texas is bigger than the state of Rhode Island.
49
The average ice berg weighs 20,000,000 tons!
54