Check your map! Virginia extends farther west than West Virginia.
67
Mexico City is built on top of an underground resevoir!
47
One cubic mile of seawater contains about 50 pounds of gold.
79
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
Longest officially recognized place name is Taumatawhakatangihangakoauauotamateapokaiwhenuakitanatahu.
112
There's a lake under Antarctica that is 25 million years old called Lake Vostok.
109