Ключевые слова: acre, america, american, beautiful, border, bridal, buffalo, canadian, cascade, cataract, cliff, county, downstream, drop, edge, eerie, environment, falls, flow, flowing, gorge, great, half, hells, horseshoe, lakes, landscape, midatlantic, nature, new, niagara, niagarian, northeastern, ny, ontario, outdoor, perennial, river, scenery, scenic, states, steep, stream, united, us, usa, veil, vertical, western, york,