ST. LOUIS (KMOV.com) -- Major progress wrapping up for the opening of the St. Louis Aquarium inside the historic St. Louis Union Station.
The attraction will feature 13,000 animals from sharks, birds, frogs and reptiles.
Leaders say the 75,000 square foot highly-anticipated downtown attraction will feature tanks holding thousands or aquatic animals from the Missouri and Mississippi Rivers. Some animals featured will be from the region and other from across the world.
The tanks can hold 1.4 million gallons of water.
News 4 will get a tour of the aquarium Thursday and will update this story with the new information.