Queen Building

Completed in 1988 and 1991, the 34-story towers are officially Concourse Corporate Center V and VI, but are known locally as "the King and Queen towers" because their white lattice crowns resemble the heads of chess pieces. The squared-top "king" tower (Corporate Center VI) is on the immediate east side of 400, the round arcs of the "queen" tower (Corporate Center V) are in turn immediately east of it. At 173.7 metres (570 ft) and 168.6 metres (553 ft) to their spire tops, these are the two tall