The tourism industry attracts millions of visitors each year with attractions ranging from Space Center Houston to the bay itself. Ecotourism, in particular, is a growing sector with destinations such as the Armand Bayou Nature Center.</ref> Biotechnology, which already employs nearly 3000 workers in the area, is a smaller but growing industry in the area enabled in large part by JSC and the Texas Medical Center in Houston. Commercial fishing is one the older industries in the region and is still a significant economic sector.