Buildings Houston Tower: A 500-Story Skyscraper to be Built in Houston The Houston Tower was one of the earliest visionary ultra-tall skyscrapers ever conceived. By Hrothsige Frithowulf Published: March 17, 2023 The super-tall concept study of the Houston Tower by the US architect Robert Sobel of Emery Roth & Sons and engineer Nat W. Krahl in 1979.