10 of the tributaries flowing into the Amazon river are as big as the Mississippi river.
41
Check your map! The Pacific entrance of the Panama Canal is farther East than the Atlantic entrance.
40
Israel's Dead Sea is 1,312 feet below sea level.
48
There are more than 50,000 earthquakes throughout the world every year!
47
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
A waterfall known as The Devil's Kettle empties water into a hole and nobody knows where it ends up!
18