Check your map! The Pacific entrance of the Panama Canal is farther East than the Atlantic entrance.
40
The Niagara Falls moves upstream at an average rate of about 295ft a century!
48
The North Atlantic gets 2.5 centimetres (1in) wider every year.
119
A waterfall known as The Devil's Kettle empties water into a hole and nobody knows where it ends up!
18
Australia's Great Barrier Reef is 1,250 miles long!
45
It takes a drop of ocean water more than 1,000 years to circulate around the world.
61
The names of the continents all end with the same letter with which they start, excluding the North and South infront of AmericA.
86
If Antarctica's ice sheets melted, the worlds oceans would rise by 60 to 65 metres (200 - 210ft) - everywhere
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