Birjand as the capital city of South Khorasan Province hosts many valuable historical monuments and crafts. It is believed that during Safavid era, the city gained a great deal of prosperity and was expanded a lot. A nice example of that time could be named as the historical Birjand Castle. It truly is a magnificent display of the architectural art of Iranian at that time. Birjand castle is geographically located on top of hill in the northwest of the city. On top of the towers of Birjand Castle, you could see and enjoy the historical context of the city. The castle was made of brick and mud and has two main entrances. On four sides of the castle, there are six cylinder towers which all of them have two floors, of course it is interesting to mention that there were 7 but one of them was ruined through passing ages. On each tower, there are some holes that were used for watching out and shooting in the needed situations. There also are some warehouses that people used to store foods in. it seems that the tunnel under the ground of Birjand Castle are connected to important centers of Birjand. If you lie to visit Birjand and its attractions, ask Alaedin Travel for a perfect tour to Iran.