Gregory Deyermenjian's quest for the legendary lost city of Paititi involved following an ancient Incan "Road of Stone" through the remote, high-altitude jungles of the Peruvian Amazon. These expeditions traversed rugged regions like the Plateau of Toporake and the Plateau of Pantiacolla to document previously unknown Incan remains. The search identified important Incan ruins and platforms along branches of this stone-paved route at sites such as the peak of Último Punto