Bow Valley Square is a four-tower office tower complex in downtown Calgary, Alberta, Canada. The complex constructed in stages between 1972 and 1982 was home to Calgary's tallest building between 1974

Fifth Avenue Place is a high-rise skyscraper complex in Calgary, Alberta, Canada. It was originally called Esso Plaza. It occupies the entire area of a city block, between 4th and 5th Avenue South and