The state with the longest coastline in the Continental U.S. is Michigan.
31
The warmest temperature ever recorded on Antarctica was 3 degrees F.
175
The 'King Ranch' in Texas is bigger than the state of Rhode Island.
49
An earthquake on Dec. 16, 1811 caused parts of the Mississippi River to flow backwards.
243
It's still possible to see the division between East and West Germany due to different light bulbs.
5
The Sahara desert expands at about 1km per month.
90
The Amazon rainforest produces more than 20% the world's oxygen supply.
182