The North Atlantic gets 2.5 centimetres (1in) wider every year.
119
A volcano has enough power to shoot ash as high as 50 km into the atmosphere.
59
The state with the longest coastline in the Continental U.S. is Michigan.
31
Mexico City is built on top of an underground resevoir!
47
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
Every year, Alaska has about 5,000 earthquakes.
31
If Manhattan had the same population density as Alaska, there would only be 15 people living there.
138
In one day, a full grown redwood tree expels more than 2 tons of water through its leaves.
56