The Sahara desert expands at about 1km per month.
90
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 Dallas/Ft. Worth airport is larger than New York City's Manhattan Island.
62
Check your map! Virginia extends farther west than West Virginia.
67
The state of Florida is bigger than England!
74
Australia's Great Barrier Reef is 1,250 miles long!
45