Dallas, the third largest city in the U.S. state of Texas, is the site of 36 completed high-rises over 350 feet (107 m), 19 of which stand taller than 492 feet (150 m). The tallest building in the city is the Bank of America Plaza, which rises 921 feet (281 m) in Downtown Dallas and was completed in 1985. It also stands as the 3rd-tallest building in Texas and the 28th-tallest building in the United States. The second-tallest skyscraper in the city is the Renaissance Tower, which rises 886 feet (270 m) and was completed in 1974. The Comerica Bank Tower, completed in 1987 and rising 659 feet (201 m), is the third-tallest building in Dallas. Three of the ten tallest buildings in Texas are located in Dallas.
The history of skyscrapers in the city began with the construction of the Praetorian Building in 1909. This building, rising 184 feet (56 m) and 14 floors, is often regarded as the first skyscraper in Dallas or even the entire Western United States; it was demolished in 2013. Dallas's first building standing more than 492 feet (150 m) was the Mercantile National Bank Building, completed in 1943. During the 1980s energy boom, the city saw a significant number of completed projects. There are currently[update] three buildings under construction that are planned to rise at least 350 feet (107 m). Overall, Dallas's skyline is ranked (based on existing and under construction buildings over 492 feet (150 m) tall) 3rd in the Southern United States (after Miami and Houston) and 9th in the United States.