The city of Houston, Texas is built on a swamp and is slowly sinking!
89
Check your map! Virginia extends farther west than West Virginia.
67
More than 25% of the world's forests are in Siberia.
51
Mexico City is built on top of an underground resevoir!
47
The state with the longest coastline in the Continental U.S. is Michigan.
31
One cubic mile of seawater contains about 50 pounds of gold.
79