The Georgia Aquarium is a renowned public aquarium located in Atlanta, Georgia, United States, and one of the world's largest aquariums. Opened on November 23, 2005, it was initially the largest aquarium in the world until 2012, when it was surpassed by facilities in Singapore and China; it remains the largest in the United States and the sixth largest globally. Founded through a visionary $250 million donation from philanthropist Bernard Marcus, co-founder of Home Depot, the aquarium focuses on marine education, conservation, and research as a 501(c)(3) non-profit organization. Spanning more than 11 million US gallons (42,000 cubic meters) of water, it houses thousands of animals from hundreds of species across seven major galleries. The aquarium attracts millions of visitors annually and serves as a hub for marine awareness, inspiring global preservation of aquatic life through educational programs, research initiatives, and conservation efforts while contributing to scientific advancements in marine biology.