San Antonio Visitors Bureau "Things to See & Do" section – Attractions: http://www.sanantoniocvb.com/visitors/things_attra.asp (also see list on the left-hand side of that page to click on "Activities", "Heritage Area", "City Parks" including the University of Texas Institute of Texan Cultures [admission is pretty reasonable at $4], and "Mission Trail" – admission is free for missions on the Trail!)