There's a lake under Antarctica that is 25 million years old called Lake Vostok.
109
Australia's Great Barrier Reef is 1,250 miles long!
45
10 of the tributaries flowing into the Amazon river are as big as the Mississippi river.
41
The state of Florida is bigger than England!
74
Check your map! The Pacific entrance of the Panama Canal is farther East than the Atlantic entrance.
40
Mexico City is built on top of an underground resevoir!
47
If Manhattan had the same population density as Alaska, there would only be 15 people living there.
138
The North Atlantic gets 2.5 centimetres (1in) wider every year.
119