Forest fires move faster uphill than downhill.
52
There are more than 50,000 earthquakes throughout the world every year!
47
A waterfall known as The Devil's Kettle empties water into a hole and nobody knows where it ends up!
18
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
Check your map! Virginia extends farther west than West Virginia.
67
The average ice berg weighs 20,000,000 tons!
54
If Manhattan had the same population density as Alaska, there would only be 15 people living there.
138