Posted in 1970s, Commercial/Office/Retail, Extant, Restaurant/Bar, TX - Greater Houston, Used to be a Bonanza Bonanza Sirloin Pit (S. Post Oak) – Houston 10540 (aka 10534) S. Post Oak Rd. – Houston TX (built 1972; also Excelsior Learning Academy) Check out all of our greater Houston area Bonanzas here: http://arch-ive.org/archive/category/bonanza/