PlazAmericas, formerly known as Sharpstown Mall and earlier Sharpstown Center, is a shopping mall located in the Sharpstown development in Greater Sharpstown, Houston, Texas. The mall is located on the northwest corner of Interstate 69/U.S. Route 59 and Bellaire Boulevard. This is the third mall to be built in Houston after Gulfgate Mall opened in 1956 and Meyerland Plaza in 1957. The area includes the Jewelry Exchange Center, a ten story building.