Wiki actually has a decent essay on the Durupinar Site.
Identified in 1948 and had some interest until 1960 when no artifacts could be found.
Hype artist Ron Wyatt popularized it starting 1977 to raise money for himself. Wyatt also claimed to have found the site of the Red Sea crossing of the Exodus, complete with ancient Egyptian army artifacts.
He also laid claim to know where the Ark of the Covenant was. Supposedly, it was just underneath where Christ was crucified at Golgotha and Christ’s blood touched the Ark, according to him.