10 of the tributaries flowing into the Amazon river are as big as the Mississippi river.
41
Check your map! Virginia extends farther west than West Virginia.
67
If Manhattan had the same population density as Alaska, there would only be 15 people living there.
138
The Niagara Falls moves upstream at an average rate of about 295ft a century!
48
The Dallas/Ft. Worth airport is larger than New York City's Manhattan Island.
62
Even Antarctica has an area code. It's 672.
58
Israel's Dead Sea is 1,312 feet below sea level.
48
Forest growth in the US has exceeded harvest since the 1940’s. Today, we have more trees than any time in the past 100 years.
14