Haruniyeh Dome

The Haruniyeh Dome (or Haruniyeh Mausoleum) is an old building and a national monument dating to the 8th century AH. It is the oldest surviving structure in the city of Tus, which is part of Mashhad. The building was inscribed on Iran's National Heritage list on 15 Dey 1310 (Solar Hijri). Its footprint is reported at roughly twelve by twelve metres, and its height reaches approximately twenty-five metres.

Inside, the main space is a square domed chamber surrounded by three side rooms, four shahneshins (raised alcoves) and a brick iwan, giving the building a simple yet striking appearance. The double-shell dome is recorded as having an internal diameter of about 11 metres and an internal ceiling height of about 22 metres. The body of the building is made of plain brick and, unlike many historical buildings, has no notable coloured tilework.

To visit this architectural monument, start from the city of Mashhad. Head first toward the Mashhad–Quchan road, and at the junction known as "Ferdowsi Junction" (Sehrah-e Ferdowsi), turn onto Shahnameh Boulevard. The Haruniyeh Dome is clearly visible on the left side of the road before you reach Ferdowsi's Tomb. The best season to visit is spring, when the weather is mild and pleasant and the greenery and small garden in front of the building look fresh and inviting. While visiting, please follow the principles of responsible nature and heritage tourism: do not enter the interior with muddy shoes, strictly avoid touching the fragile parts of the building, and dispose of litter only in designated places so that this valuable monument is preserved for future generations.