1. Nearby this section of Powell Mountain is Virginia's Natural Tunnel State Park. 2. It is known for its characteristic hole, or natural tunnel , through its center. 3. Rubio has beautiful natural tunnels called La Cueva de los Miagros. 4. Gua Puteri is a natural tunnel which pierces Bukit Kajang. 5. A railroad was constructed through the natural tunnel in 1893. 6. The terrain contains various karstic features such as caves, natural tunnels , waterfalls, and glacial lakes. 7. A narrow neck of rock, with a natural tunnel through it, joins the two parts. 8. The Afghans also used natural tunnels and built others in the mountains, drilling into the rock. 9. The single-track trail offers a steady, relatively easy grade, trickling streams and natural tunnels of overhanging trees. 10. In 1899, the Natural tunnel was purchased by the Tennessee & Carolina & Iron and Steel Company.
