If Manhattan had the same population density as Alaska, there would only be 15 people living there.
138
The city of Houston, Texas is built on a swamp and is slowly sinking!
89
If Antarctica's ice sheets melted, the worlds oceans would rise by 60 to 65 metres (200 - 210ft) - everywhere
181
The average ice berg weighs 20,000,000 tons!
54
Israel's Dead Sea is 1,312 feet below sea level.
48
The Amazon rainforest produces more than 20% the world's oxygen supply.
182
The state with the longest coastline in the Continental U.S. is Michigan.
31
It's still possible to see the division between East and West Germany due to different light bulbs.
5