The Niagara Falls moves upstream at an average rate of about 295ft a century!
48
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
Israel's Dead Sea is 1,312 feet below sea level.
48
The 'King Ranch' in Texas is bigger than the state of Rhode Island.
49
It's still possible to see the division between East and West Germany due to different light bulbs.
5
There are more than 50,000 earthquakes throughout the world every year!
47