Natural phenomenon, alien-infused art or manmade hoaxing? No one can say but that doesn't detract from crop circles amazing aesthetics.
Cahuachi - one of the oldest religious centers of America (400 BCE - 400 CE). Cahuachi means "Place Where Psychics Live" and is located 28 kilometers from the city of Nazca. It occupies an area of 24 km ² and is a citadel built of adobe, with outstanding ceremonial pyramids, the Great Pyramid (28 m high and 100 m long), the Great Temple, the temple Staggered and Mounds. It is situated on a slope in front of the Nazca lines, and the whole is surrounded by a great wall.
In one of the most arid regions in the world a series of carefully constructed, spiralling holes form lines across the landscape. Known as puquios, their origin has been a puzzle – one that could only be solved from space.