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
The warmest temperature ever recorded on Antarctica was 3 degrees F.
175
If Manhattan had the same population density as Alaska, there would only be 15 people living there.
138
It's still possible to see the division between East and West Germany due to different light bulbs.
5
More than a dozen men have stood on the surface of the moon, but only three have been to Challenger Deep in the Marianas Trench, the deepest known spot in the ocean.
17
10 of the tributaries flowing into the Amazon river are as big as the Mississippi river.
41
Venice Island was built on a foundation of tree trunks. 1200 years later, those same trunks still support almost all of central Venice.
8