The National Aquarium in Baltimore features hundreds of exhibits with more than 16,500 animals and includes a 4-D theater that combines the high-definition drama of a 3-D film with special sensory effects, like mist and wind. This item is a tour for up to four people and includes admission to the Aquarium and entry to the famous 4-D theater. It also includes a behind-the-scenes tour of the Aquarium led by Curator Ken Howell and others.