The National Zoo in Washington, D.C. is a great place to explore and learn about wildlife from around the world. With over 2,000 animals from 400 different species, the National Zoo offers a unique experience for visitors of all ages. From the Giant Pandas to the African Lions
From Wikipedia
The Smithsonian's National Zoo and Conservation Biology Institute, commonly known as the National Zoological Park or simply the National Zoo, is one of the oldest zoos in the United States. The zoo is part of the Smithsonian Institution and does not charge admission. Founded in 1889, its mission is to "provide engaging experiences with animals and create and share knowledge to save wildlife and habitats".