Take a tour of Historic Yazd in Iran part of the World s Greatest Attractions series by GeoBeats. Few cities can claim to be over 3,000 years old, but Yazd, Iran can. This remarkable city has existed since the Median Empire. One of the amazing features of the city is the traditional Persian architecture of many buildings. The mosques are magnificently tiled, and nearly every building is made of adobe. Because of the desert climate, Yazd's architecture is unique to this one place.