Connecticut and Rhode Island never ratified the 18th Amendment (Prohibition).
25
The average ice berg weighs 20,000,000 tons!
54
The longest cave in the world is the 'Mammoth Cave System' in the USA at 560,000 mtrs deep!
63
Mexico City is built on top of an underground resevoir!
47
Check your map! The Pacific entrance of the Panama Canal is farther East than the Atlantic entrance.
40
The water of the Antarctica is so cold that nothing can rot there.
334
The Dallas/Ft. Worth airport is larger than New York City's Manhattan Island.
62
