10 of the tributaries flowing into the Amazon river are as big as the Mississippi river.
41
Europe is the only continent without a desert.
62
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
Israel's Dead Sea is 1,312 feet below sea level.
48
If Antarctica's ice sheets melted, the worlds oceans would rise by 60 to 65 metres (200 - 210ft) - everywhere
181
Australia's Great Barrier Reef is 1,250 miles long!
45
Venice Island was built on a foundation of tree trunks. 1200 years later, those same trunks still support almost all of central Venice.
8
One cubic mile of seawater contains about 50 pounds of gold.
79