I will be in San Antonio staying at the Marriott Riverwalk in Feb. I plan to do the usual downtown things such as touring the riverwalk, market square, alamo. I do need to know if Bourdreauxs (I think) is worth dining at? If the Tower of Americas is still under construction? and What things outside of downtown are worth renting a car for? I don't plan on going to six flags, the zoo or sea world though. Any suggestions would be appreciated.