If Manhattan had the same population density as Alaska, there would only be 15 people living there.
138
The state with the longest coastline in the Continental U.S. is Michigan.
31
The average ice berg weighs 20,000,000 tons!
54
The state of Florida is bigger than England!
74
There's a lake under Antarctica that is 25 million years old called Lake Vostok.
109
10 of the tributaries flowing into the Amazon river are as big as the Mississippi river.
41
The Niagara Falls moves upstream at an average rate of about 295ft a century!
48