The Boston University Bridge (on Commonwealth Avenue, Boston, Massachusetts) is one of the few places in the world where a boat can sail under a train driving under a car driving under an airplane.

Another way to say "every 9 years" is Novennial.

Over 4.5 billion sticks have Trident gum have been chewed. If the stick of gum were laid out end to end they could circle the globe approximately 1.8 times.

A M A Z I N G   F A C T S