The Niagara Falls moves upstream at an average rate of about 295ft a century!
48
The names of the continents all end with the same letter with which they start, excluding the North and South infront of AmericA.
84
10 of the tributaries flowing into the Amazon river are as big as the Mississippi river.
41
It takes a drop of ocean water more than 1,000 years to circulate around the world.
61
The average ice berg weighs 20,000,000 tons!
54
Every year, Alaska has about 5,000 earthquakes.
31
The 'King Ranch' in Texas is bigger than the state of Rhode Island.
49