The Amazon rainforest produces more than 20% the world's oxygen supply.
182
The Atlantic Ocean is saltier than the Pacific Ocean.
54
The state with the longest coastline in the Continental U.S. is Michigan.
31
It's still possible to see the division between East and West Germany due to different light bulbs.
5
Check your map! The Pacific entrance of the Panama Canal is farther East than the Atlantic entrance.
40
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
Mexico City is built on top of an underground resevoir!
47
The average ice berg weighs 20,000,000 tons!
54