Australia's Great Barrier Reef is 1,250 miles long!
45
Venice Island was built on a foundation of tree trunks. 1200 years later, those same trunks still support almost all of central Venice.
8
Due to gravitational effects, you weigh slightly less when the moon is directly overhead.
55
Even Antarctica has an area code. It's 672.
58
10 of the tributaries flowing into the Amazon river are as big as the Mississippi river.
41
The Atlantic Ocean is saltier than the Pacific Ocean.
54
The state with the longest coastline in the Continental U.S. is Michigan.
31
More than 25% of the world's forests are in Siberia.
51