"The world’s largest aquarium by volume, this downtown spot is easily one of the city’s top attractions. Opened in 2005 through partnerships with Atlanta -based Home Depot, the $300 million facility boasts more than 100,000 animals and 500 different species from both fresh and marine water. Exhibits are divided into ecosystems, including Cold Water Quest (which has sea dragons and spider crabs) and SunTrust Pier 225 (starring the California sea lion), and feature favorites like beluga whales, manta rays, and otters. If you’re feeling brave, dive in the tank with the whale sharks, or simply take a behind-the-scenes tour to see how the aquarium operates."