Australia's Great Barrier Reef is 1,250 miles long!
45
The Dallas/Ft. Worth airport is larger than New York City's Manhattan Island.
62
Every year, Alaska has about 5,000 earthquakes.
31
The state with the longest coastline in the Continental U.S. is Michigan.
31
It takes a drop of ocean water more than 1,000 years to circulate around the world.
61
The Amazon rainforest produces more than 20% the world's oxygen supply.
182
More than 25% of the world's forests are in Siberia.
51
The names of the continents all end with the same letter with which they start, excluding the North and South infront of AmericA.
86