Planning a visit to the Rock of Ages granite quarry? Here's what you need to know before you go! Our guided tours offer a must-see look at the world-renowned E.L. Smith gray granite quarry in Graniteville, Vermont. This stone has been used to build some of America's most iconic buildings and monuments. From the quarry floor to the manufacturing facility, you'll witness the entire process of turning raw granite into stunning works of art. Be sure to bring your camera, as the views from the quarry