The twelve-angled stone is an archeological artifact in Cusco, Peru.

It was part of a stone wall of an Inca palace, and is considered to be a national heritage object.

The block is categorized as Cultural Heritage of the Nation of Peru and is located in the city of Cusco, 1105 km from Lima.

As an example of the Incas' advanced stonework, the stone is a popular tourist attraction in Cusco and a site of pride for many locals.

The perfectly cut stone is part of a wall known as the Hatun Rumiyoc, which makes up the outside of the Archbishop's palace.