There is a lot to see there. The River Walk was really nice.
I went there to see a Dam that my great grandfather worked on way back in 1912. It is the Medina Lake Dam, and took about 2 years to complete. No trucks, no cars, and probably very few horses. Mostly men, mules, oxen, hand picks and shovels. If they made the concrete on site, it was probably run by a steam plant too! No gasoline engines where powerful enough to run a larger concrete plant. Things have really changed in the past 100 years.
Have fun!
Fred.