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14th century mausoleum.
The Tomb of Hamdallah Mustawfi is a 14th century mausoleum in Qazvin, Iran. The mausoleum belongs to Hamdallah Mustawfi. It has a square base and a conical roof. It was listed in Iran's national heritage sites with the number 332 on 10 February 1940.
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مسجد جامع عتيق قزوین
One of the oldest mosques in Iran, and is the grand, congregational mosque (Jāmeh) of Qazvīn city. The foundation of the mosque is laid on a Zoroastrian fire temple.
Built during the Qajar era, this is one of the preserved urban caravanserais in Iran.
Also known as the Soltani Mosque, this massive mosque was built in 1787, with some parts dating back to the Safavid dynasty era.
From Qazvin you can do a day trip to the mountains of Alborz. Most visitors go here to see the remains of Hasan-e-Sabah's castle Alamut, from where he ruled the assassins order, a medieval terrorist organisation. The English words "assassin" and "hashish" are both derived from Hasan's name. The Mongols took Alamut and broke the power of the assassins but failed to completely wipe them out. The castle was reconstructed around 2013 in a way that may seem a bit dubious from an archeological point of view. Since 2026 it's a .