Ключевые слова: american, attraction, cascade, cataract, cave, children, entertainment, environment, erosion, falling, falls, flow, geology, gorge, history, honeymoon, island, landmark, landscape, luna, natural, nature, new york, niagara, northeast, outdoor, park, people, platform, rapids, river, rock, romantic, scenic, stair, tourism, tourist, travel, united states, vacation, water, waterfall, waterfront, waterway, winds,