Ключевые слова: america, animal, attraction, building, city, conservation, crowd, culture, dc, destination, education, elephant, exhibition, famous, hall, historic, history, indoor, institution, landmark, mammals, museum, national, natural, nature, paleontology, preservation, science, scientific, sightseeing, smithsonian, specimen, states, stuffed, tourism, tourist, travel, united, usa, vacation, washington, washington dc,