Civita Di Bagnoregio - Lazio - Civita Di Bagnoregio Is A Town In The Province Of Viterbo In Central Italy. It Was Founded By Etruscans Over Twenty-five Hundred Years Ago. The Town Is Noted For Its Striking Position Atop A Plateau Of Friable Volcanic Tuff Overlooking The Tiber River Valley, In Constant Danger Of Destruction As Its Edges Fall Off, Leaving The Buildings Built On The Plateau To Crumble. Photo