Mausoleum of Prophet Qeydar - Credit: Wikimedia Commons
The Mausoleum of Prophet Qeydar (Farsi: آرامگاه قیدار نبی) is a historic mausoleum located in the city of Qeydar in Khodabandeh County, Iran.https://zanjan.mcth.ir/en/Database/agentType/View/PropertyID/3118 The mausoleum is believed to entomb the remains of Qedar, one of the sons of Ishmael and hence a grandson of the biblical Abraham. This mausoleum is the 321st national monument of Iran. Read more on Wikipedia
Source: en.wikipedia.org