If Antarctica's ice sheets melted, the worlds oceans would rise by 60 to 65 metres (200 - 210ft) - everywhere
181
Every year, Alaska has about 5,000 earthquakes.
31
It's still possible to see the division between East and West Germany due to different light bulbs.
5
One cubic mile of seawater contains about 50 pounds of gold.
79
The longest cave in the world is the 'Mammoth Cave System' in the USA at 560,000 mtrs deep!
63
Connecticut and Rhode Island never ratified the 18th Amendment (Prohibition).
25
The Amazon rainforest produces more than 20% the world's oxygen supply.
182
More than 25% of the world's forests are in Siberia.
51