Renaissance Tower (Dallas)
At the time of completion in 1974, it was the tallest building in Dallas at and was originally known as the First International Bancshares Tower (First International Bancshares, Inc. was the new holding company parent of First National Bank in Dallas). In 1985, it was surpassed by Fountain Place and Bank of America Plaza, which became Dallas's tallest building. It was also clear that Renaissance Tower would be overtaken by Comerica Bank Tower and Chase Tower then under construction. Therefore, in order to regain some status, the building underwent a major renovation in 1986 that included a re-glazed exterior and removal of the lighting on its sides. In 1986, James T. Chiles was brought in by the owner, the Prudential Insurance Company of America to design the broadcast center and towers on top the building, one of which was . This brought the structural height of the building up to , securing its place as the second-tallest building in Dallas. Excluding antennas and spires, the Renaissance Tower is the fifth-tallest.
List of tallest buildings in Denver
The history of skyscrapers in Denver began with the completion of the Equitable Building in 1892; this building, rising and nine floors, was the first high-rise in Denver. The title of the city's "first skyscraper" is usually given to the Daniels & Fisher Tower, which rises and was completed in 1910. The city went through a large building boom that lasted from the early 1970s to the mid-1980s. During this time, 21 of the city's 27 tallest buildings were constructed, including Republic Plaza, 1801 California Street, and the Wells Fargo Center. The city is the site of seven skyscrapers over in height, including two which rank among the tallest in the United States. Overall, the skyline of Denver is ranked (based upon existing and under construction buildings over tall) second in the Mountain States (after Las Vegas) and seventeenth in the United States. , there are 190 completed high-rises in the city.