The Atlantic Ocean is saltier than the Pacific Ocean.
54
Venice Island was built on a foundation of tree trunks. 1200 years later, those same trunks still support almost all of central Venice.
8
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
More than 25% of the world's forests are in Siberia.
51