The Dallas/Ft. Worth airport is larger than New York City's Manhattan Island.
62
Israel's Dead Sea is 1,312 feet below sea level.
48
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 Sahara desert expands at about 1km per month.
90
An earthquake on Dec. 16, 1811 caused parts of the Mississippi River to flow backwards.
243
The 'King Ranch' in Texas is bigger than the state of Rhode Island.
49