Description - Located on the outskirts of the ancient Inca capital of Cuzco. It rests on an artificially levelled mountaintop, and consists of three outer lines of gargantuan walls, 1,500 ft long and 54 ft wide, surrounding a paved area containing a circular stone structure believed to be a solar calendar. The ruins also include a 500,000 gallon water reservoir, storage cisterns, ramps, citadels and underground chambers. The stone blocks weigh from between 50 to one at (361 tons-28 ft high (21)) or (440 tons (1)). A Block on the outer walls, for example, has faces cut to fit perfectly with 12 other blocks. Other blocks were cut with as many as 36 sides. All the blocks were fitted together so precisely that a thickness gauge could not be inserted between them.

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