The North Atlantic gets 2.5 centimetres (1in) wider every year.
119
Every year, Alaska has about 5,000 earthquakes.
31
The warmest temperature ever recorded on Antarctica was 3 degrees F.
175
The state with the longest coastline in the Continental U.S. is Michigan.
31
In 1850, only 8% of the people in California were women.
0
Venice Island was built on a foundation of tree trunks. 1200 years later, those same trunks still support almost all of central Venice.
8
More than a dozen men have stood on the surface of the moon, but only three have been to Challenger Deep in the Marianas Trench, the deepest known spot in the ocean.
17
The Dallas/Ft. Worth airport is larger than New York City's Manhattan Island.
62