As a former student of archaeology, Machu Picchu is a place that has always fascinated me. As someone direly afraid of heights, Machu Picchu is a place I will almost certainly never go, barring the invention of personal air transport. As such, today I was quite pleased to learn that Google's globetrotting street view team has mapped the ancient city-temple-palace-agrarian-center with a backpack of many, many cameras.

Machu Picchu sits nearly 8000 feet above sea level, and its real purpose still largely eludes archaeologists and ancient historians to this day. While it's clear it housed royalty and peasants alike, was used for religious purposes, commerce, and extensive agriculture, exactly why it made sense to the Inca to build what essentially amounted to a mountaintop city remains unclear.

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