The largest stone complex of Iran belongs to Achaemenid Empire which is located in Fars province. It was registered in list of World Heritage in 1979.
Iran’s Hyrcanian Forests were inscribed in UNESCO’s World Heritage Site on 5 July 2019
Ardabil is located in the northwest of Iran; its capital is the city of Ardabil, known for Sheikh Safi Complex, hot springs and ski resorts
Located in the Eastern part of Iran with the city of Yazd as its center, known for the shape of the city (Fahaadaan neighborhood), Jame Mosque, Zoroastrian temple and towers of silence (Zoroastrien's Dakhmeh)
Located in the western section of the country with the city of Zanjan as its center, known mostly for Soltaniyeh Dome, Saltmen Museum, Chalabioghlou mausoleum and Dashkasan temple