Iran Silk road | Discover Persia Tour Marvel at the wonders of ancient Persia and modern Iran and the natural beauty that surrounds them in this most ancient cradle of civilization.Explore Iran as an important constituent of the Silk Road. According to the WTO and UNESCO the most of the Silk Road monuments has survived in the provinces of Khurasan, Golestan, Semnan, Teheran, Qazvin and Zanjan which used to stand on the Silk Road.