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
The longest cave in the world is the 'Mammoth Cave System' in the USA at 560,000 mtrs deep!
63
Check your map! The Pacific entrance of the Panama Canal is farther East than the Atlantic entrance.
40
Every year, Alaska has about 5,000 earthquakes.
31
The names of the continents all end with the same letter with which they start, excluding the North and South infront of AmericA.
86