The urban fabric and urbanization process of Semnan is the result of its precise water distribution system. a system that is more than 700 years old

Qanat or Kariz was a smart way Iranians used to deal with the problem of water shortage by transporting water from an aquifer or water well to the surface.

Located in the Shahabad village of Dezful County (Khuzestan Province) the construction of the Tomb of Ya’qub Leith Saffari (840-879 CE) dates back to the era of the Saffarid dynasty.

The Tomb of Rokn al-Din Abu al-Hassan Maraghehei (1271-1338 CE), popularly known as Awhadi Maraghehei, is located in the city of Maragheh (in East Azarbaijan Province of Iran), which was renovated during the era of the second Pahlavi king (from 1974 to 1978 CE).

The Shushtar Historical Hydraulic System is a complex irrigation system of the island city Shushtar the establishment of which dates back to the Achaemenid to the Sassanid era. As the largest architecture and traditional water supply system in the world, it consists of 13 dams, bridges, canals, and structures which work together as a hydraulic system and had been constructed for better and more efficient usage of water.

This museum was established within the vicinity of the Salmasi House in the year 2001 CE. The Salmasi House had been built in the year 1381 AH/1961 CE within an area of 650 sq. meters and on two floors the total area of which stands at 875 sq. meters.

Bardak Siah Palace is the name of the site of an ancient palace situated near the Borazjan county in the northern part of Bushehr Province of Iran that is said to have been the winter palace of the Achaemenid king, Darrius I, popularly known as Darrius the Great.

Tabriz Municipality Palace (also known as Sa'at Tower or Kakh-e Shahrdari) is located in the downtown of Tabriz in the famous Clock (Sa'at) square. This structure was constructed in the year 1933 AD. under German supervision before World War II. The stony edifice is constructed on a ruined and ancient graveyard. There is a tower with a four sided clock on this building and at present is the municipality building of Tabriz.

Sheikh Haidar’s Mausoleum is located in the Meshginshahr City of Ardabil Province of Iran.