Look up and marvel at Tower Life Building, one of the most impressive buildings in the area. See if you can go to the top and watch life go by from way above.
You'll have sightseeing choices galore when spending time in Downtown San Antonio. Tower Life Building is a great place to begin here, but there are numerous other interesting places to enjoy. Alamo, AT&T Center, and San Antonio Zoo and Aquarium are close to the architectural wonder and will fill in your day nicely.