Israel's Dead Sea is 1,312 feet below sea level.
48
A volcano has enough power to shoot ash as high as 50 km into the atmosphere.
59
Every person in the world can fit in Texas and be given over 1000 sq ft in which to live.
14
There are more than 50,000 earthquakes throughout the world every year!
47
10 of the tributaries flowing into the Amazon river are as big as the Mississippi river.
41
In one day, a full grown redwood tree expels more than 2 tons of water through its leaves.
56
The longest cave in the world is the 'Mammoth Cave System' in the USA at 560,000 mtrs deep!
63