Australia's Great Barrier Reef is 1,250 miles long!
45
More than 25% of the world's forests are in Siberia.
51
The city of Houston, Texas is built on a swamp and is slowly sinking!
89
The state with the longest coastline in the Continental U.S. is Michigan.
31
The Dallas/Ft. Worth airport is larger than New York City's Manhattan Island.
62
The Atlantic Ocean is saltier than the Pacific Ocean.
54
Every year, Alaska has about 5,000 earthquakes.
31
In one day, a full grown redwood tree expels more than 2 tons of water through its leaves.
56