Mexico City is built on top of an underground resevoir!
47
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
The North Atlantic gets 2.5 centimetres (1in) wider every year.
119
The longest cave in the world is the 'Mammoth Cave System' in the USA at 560,000 mtrs deep!
63
The average ice berg weighs 20,000,000 tons!
54
The Dallas/Ft. Worth airport is larger than New York City's Manhattan Island.
62
The Caspian Sea is also classed as the world's largest lake.
52
