It takes a drop of ocean water more than 1,000 years to circulate around the world.
The state with the longest coastline in the Continental U.S. is Michigan.
There's a lake under Antarctica that is 25 million years old called Lake Vostok.
The names of the continents all end with the same letter with which they start, excluding the North and South infront of AmericA.
Every person in the world can fit in Texas and be given over 1000 sq ft in which to live.
If Antarctica's ice sheets melted, the worlds oceans would rise by 60 to 65 metres (200 - 210ft) - everywhere
More than a dozen men have stood on the surface of the moon, but only three have been to Challenger Deep in the Marianas Trench, the deepest known spot in the ocean.
Australia's Great Barrier Reef is 1,250 miles long!