Tollest Buildings

Chicago
New York City
Mexico City
Jersey City
Sears Tower in Chicago and has 110 floors
John Hukton centre has 100 floors in Chicago
Twin Towers has 150 floors each in New York City
tollest building in San Francisco in 1970s and had 135 floors (towering inferno)
tollest building of the USA has 175 floors My Causint Claudia Thinked
My Aunt Elizazbeth think the tollest buildings of the usa has 164 floor
50 united states
500 big cities