1. The Downtown Aquarium in Houston is a 500,000-gallon aquatic wonderland featuring over 200 species of marine life from around the world. Visitors can explore a variety of exhibits, including a shipwreck-inspired display, a rainforest exhibit with exotic animals and fish, and a shark tunnel where you can walk through and observe the predators up close. There is also a play area for children, a restaurant serving seafood dishes, and a Ferris wheel with views of downtown Houston.

Interesting facts about the Downtown Aquarium include:

- The aquarium is located in the former Central Waterworks building, which was built in 1903 and supplied water to Houston for over 70 years.

- The shark tunnel is 90 feet long and made of 5-inch thick acrylic, making it the largest in North America.

- The sunken temple exhibit features a 3,000-year-old statue of the Egyptian god of the dead, Anubis.

- The Ferris wheel stands at 100 feet tall and offers views of the Houston skyline and Buffalo Bayou.

2. The Downtown Aquarium is open daily from 10am-9pm. Their phone number is (713) 223-3474.

3. Tickets for the Downtown Aquarium can be purchased online or at the gate. The cost for general admission is $20.99 per adult and $13.99 for children ages 3-12. They also offer a variety of packages that include additional attractions, such as the Ferris wheel or train ride. The aquarium is located in downtown Houston and can be reached by car, bus, or light rail. Parking is available on-site for a fee.