More than 25% of the world's forests are in Siberia.
51
The state with the longest coastline in the Continental U.S. is Michigan.
31
10 of the tributaries flowing into the Amazon river are as big as the Mississippi river.
41
If Antarctica's ice sheets melted, the worlds oceans would rise by 60 to 65 metres (200 - 210ft) - everywhere
181
Forest fires move faster uphill than downhill.
52
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.
17
Europe is the only continent without a desert.
62
The water between India and Sri Lanka is only 3-30 feet deep and was purportedly passable on foot until 1480 AD when a cyclone moved some sand around.
1