To see what you have always dreamed of seeing. But what have you always dreamed of seeing? The Great Pyramids? The portrait of Melancthon by Cranach? Marx's grave? Freud's grave? Bokhara and Samarkand? The hat worn by Katharine Hepburn in Sylvia Scarlett?  

Or else, rather, to discover what you've never seen, what you didn't expect, what you didn't imagine. But how to give examples? Not what, over time, has come to be listed among the various wonders and surprises of the world; neither the grandiose nor the impressive; nor even the foreign necessarily. But rather the reverse, the familiar rediscovered, a fraternal space... 

What can we know of the world? What quantity of space can our eyes hope to take in between our birth and our death? How many square centimeters of Planet Earth will the soles of our shoes have touched? 

To cover the world, to cross it in every direction, will only ever be to know a few square meters of it, a few acres, tiny incursions into disembodied vestiges, small, incidental excitements, improbable quests congealed in a mawkish haze a few details of which will remain in our memory.... 

--from Species of Spaces and Other Pieces; Georges Perec (1974)