The Tomb of King Midas is a tumulus that takes place in the Polatli district of Ankara. It is one of the approximately 250 tumuli that the Phrygians left in the region and the second-largest one in Anatolia. The largest tumulus is the Alyettes Tumulus, built by the Lydians. According to new findings, the tumulus actually belongs to King Midas' father and was built by Midas in 740. It is known as the oldest wooden structure that has survived to the present day in the world.