Travelers are voting Houston Zoo as the best zoo in Houston. There are 1 zoo in Austin a city just 150 km from Houston and 1 zoo in San Antonio which is 191 km distant. The most popular of these are Austin Zoo in Austin and San Antonio Zoo And Aquarium in San Antonio. You can find 5 zoos in Texas and 99 zoos in the country of United States. Our members favorite in Texas is Houston Zoo and Jacksonville Zoo & Gardens is the top pick in United States. Want more? Check out our map of zoos in Houston.