Virginia's Luray CAVERNS is a popular tourist destination located in the Shenandoah Valley of Virginia. It is the largest and most popular CAVERNS in the eastern United States, and is known for its stunning stalactite and stalagmite formations. The word 'CAVERNS' is used to describe the large underground chambers and passages that are formed by erosion. The CAVERNS were discovered in 1878 and have been open to the public since then. Visitors can explore the CAVERNS on guided tours, which include a variety of activities such as boat rides, music concerts, and light shows.