Ключевые слова: america, american, animals, architecture, attraction, building, capital, crab, dc, destination, downtown, exhibition, famous, fish, hall, historic, indoor, inside, landmark, museum, museum of natural history, national, natural, nature, ocean, sea, sightseeing, smithsonian, tourism, tourist attractions, tourists, travel, united states, us, usa, visit, visitors, washington, washington dc, whale, wildlife,