Imamzadeh Yahya ibn-e Zeid (Emamzadeh Yahyebne Zeid) is located on the southwest side of Gonbad Kavus (Gonbad Kavoos). This was once the site of Jorjan, a city destroyed by barbarian sieges in the 13th and 15th centuries and now just a very minor archaeological site.
Yahya ibn Zayd was grandson of Imam al-Sajjad (also known as Emam Zayn ...