More than 25% of the world's forests are in Siberia.
51
Check your map! The Pacific entrance of the Panama Canal is farther East than the Atlantic entrance.
40
If Antarctica's ice sheets melted, the worlds oceans would rise by 60 to 65 metres (200 - 210ft) - everywhere
181
Every year, Alaska has about 5,000 earthquakes.
31
An earthquake on Dec. 16, 1811 caused parts of the Mississippi River to flow backwards.
243
The Atlantic Ocean is saltier than the Pacific Ocean.
54
Forest fires move faster uphill than downhill.
52