Little kids love this aquarium because it's small, and therefore perfect for limited attention spans. If your kids like to see the animals being fed, they're in luck here: there's almost always some creature having a meal that you can watch. (If you're really lucky it'll be the weekly alligator feeding.)
go.com
The oldest aquarium in the country, the National Aquarium has an unlikely home in lower level of the Commerce Building.
mytravelguide.com
Yes, it's smaller than its Baltimore counterpart, but the renovated aquarium in the basement of the Commerce Department Building is way cheaper and easier to do in a short visit. Don't miss the animal feedings at 2 p.m. daily.
washingtonpost.com
The National Aquarium's 80 exhibits display nearly 2,000 animals - including four species of sharks, Hawaiian reef fish, piranha, and an octopus. In a welcoming setting, visitors learn about the spectacular creatures that inhabit this aquatic planet. In the Sanctuaries and Parks Gallery, visitors journey to 13 unique and protected National Marine Sanctuaries to view colorful fish from American Samoa
culturaltourismdc.org