The Atlantic Ocean is saltier than the Pacific Ocean.
54
The 'King Ranch' in Texas is bigger than the state of Rhode Island.
49
If Antarctica's ice sheets melted, the worlds oceans would rise by 60 to 65 metres (200 - 210ft) - everywhere
181
An earthquake on Dec. 16, 1811 caused parts of the Mississippi River to flow backwards.
243
10 of the tributaries flowing into the Amazon river are as big as the Mississippi river.
41
A volcano has enough power to shoot ash as high as 50 km into the atmosphere.
59