A volcano has enough power to shoot ash as high as 50 km into the atmosphere.
59
If Manhattan had the same population density as Alaska, there would only be 15 people living there.
138
The Atlantic Ocean is saltier than the Pacific Ocean.
54
It's still possible to see the division between East and West Germany due to different light bulbs.
5
Check your map! Virginia extends farther west than West Virginia.
67
The Amazon rainforest produces more than 20% the world's oxygen supply.
182
The longest cave in the world is the 'Mammoth Cave System' in the USA at 560,000 mtrs deep!
63
More than 25% of the world's forests are in Siberia.
51