It takes a drop of ocean water more than 1,000 years to circulate around the world.
61
The names of the continents all end with the same letter with which they start, excluding the North and South infront of AmericA.
86
The state with the longest coastline in the Continental U.S. is Michigan.
31
The city of Houston, Texas is built on a swamp and is slowly sinking!
89
Check your map! The Pacific entrance of the Panama Canal is farther East than the Atlantic entrance.
40
An earthquake on Dec. 16, 1811 caused parts of the Mississippi River to flow backwards.
243