It takes a drop of ocean water more than 1,000 years to circulate around the world.
61
The state of Florida is bigger than England!
74
There's a lake under Antarctica that is 25 million years old called Lake Vostok.
109
A waterfall known as The Devil's Kettle empties water into a hole and nobody knows where it ends up!
18
Check your map! The Pacific entrance of the Panama Canal is farther East than the Atlantic entrance.
40
The Amazon rainforest produces more than 20% the world's oxygen supply.
182
The Caspian Sea is also classed as the world's largest lake.
52