are three high-rise buildings under construction, approved for construction or proposed for construction in Indianapolis. 8 Indianapolis was the site of very little high-rise construction from the end of the boom in 1990 until the mid-2000s; the city has since entered into a third period of high-rise construction, with four skyscrapers that rank in city's 20 tallest buildings being completed. "The 10 tallest air traffic control towers in the world". Vinoth720, lovehunter2018, bigDutchBoy, live, freddy Strong, muscle. 10 Other projects completed after 2000 are the 287-foot (87 m) Conrad Indianapolis and 259 feet (79 m) Simon Property Group Headquarters, both in 2006. Archived from the original on June 8, 2007.