Along with a beautiful view at any time of day, Baltimore's Inner Harbor district has museums, party spots, nautical destinations, and observation points, all within a short walk of each other. The National Aquarium helps visitors explore the ocean and its wonders with marine life, including dolphins and electric eels. The Top of the World Observation Center on the 27th floor of the World Trade Center has a 360-degree view of the city and harbor. There's a collection of warships from the past, including the U.S.S. Constellation. 'Power Plant Live!' offers dining, dancing, and nightlife in an old power plant that once generated the city's electricity.