Downtown Aquarium is a public aquarium and restaurant located in Houston, Texas, United States that was developed from two Houston landmarks: Fire Station No. 1 and the Central Waterworks Building. The aquarium is located on a 6-acre (2.4 ha) site at 410 Bagby Street in downtown Houston. It houses over 200 species of aquatic animals in 500,000 US gallons (1,900,000 l) of aquariums. The complex includes two restaurants, a bar, and banquet facilities. It offers programs such as Marine Biologist for a Day, Zoologist for a Day, Sea Safari Camp, overnight stays and more. The education department works with school groups and conducts outreach programs.