Ключевые слова: america, american, attraction, beautiful, beauty, cave, cavern, caverns, caves, corridor, crowd, destination, famous, geologic, geological, geology, hallway, inside, interior, landmark, light, limestone, luray, national, nature, organ, people, popular, scene, scenic, shenandoah, stalactite, stalactites, stalagmite, stalagmites, the great stalacpipe organ, tour, tourism, tourist, touristic, travel, underground, united states, us, usa, valley, virginia, visitor, visitors, water,