The Amazon rainforest produces more than 20% the world's oxygen supply.
182
Europe is the only continent without a desert.
62
The 'King Ranch' in Texas is bigger than the state of Rhode Island.
49
The city of Houston, Texas is built on a swamp and is slowly sinking!
89
It takes a drop of ocean water more than 1,000 years to circulate around the world.
61
The warmest temperature ever recorded on Antarctica was 3 degrees F.
175
One cubic mile of seawater contains about 50 pounds of gold.
79
Israel's Dead Sea is 1,312 feet below sea level.
48