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
The Caspian Sea is also classed as the world's largest lake.
52
Check your map! The Pacific entrance of the Panama Canal is farther East than the Atlantic entrance.
40
The Sahara desert expands at about 1km per month.
90
Forest fires move faster uphill than downhill.
52
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
In one day, a full grown redwood tree expels more than 2 tons of water through its leaves.
56