One cubic mile of seawater contains about 50 pounds of gold.
79
Check your map! Virginia extends farther west than West Virginia.
67
Forest fires move faster uphill than downhill.
52
Check your map! The Pacific entrance of the Panama Canal is farther East than the Atlantic entrance.
40
Connecticut and Rhode Island never ratified the 18th Amendment (Prohibition).
25
Europe is the only continent without a desert.
62