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 state of Florida is bigger than England!
74
Connecticut and Rhode Island never ratified the 18th Amendment (Prohibition).
25
The North Atlantic gets 2.5 centimetres (1in) wider every year.
119
The warmest temperature ever recorded on Antarctica was 3 degrees F.
175
One cubic mile of seawater contains about 50 pounds of gold.
79
The Niagara Falls moves upstream at an average rate of about 295ft a century!
48
In 1850, only 8% of the people in California were women.
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