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.
Cats have over one hundred vocal sounds, dogs only have about ten.
Our eyes are always the same size from birth, but our nose and ears never stop growing.
You can’t kill yourself by holding your breath.
Americans on average eat 18 acres of pizza every day.