Key West Aquarium -  Key West was severely hit by the great depression of the 1930′s. The US government recognized that Key West, with its great climate and location, would make a wonderful tourist destination. The Key West Aquarium was one of the largest in the world when it was built between 1932 and 1934. It was originally an open air aquarium and nowadays it is twice the size of the original and a mixture of indoor and outdoor exhibits. The Aquarium features a wide variety of fish including grouper, moray eels, barracuda, tropical fish, tarpon, sharks, parrotfish and much, much more. During your tour, you will even be able to pet a live shark!