Timbuktu

Timbuktu
    n 1: a city in central Mali near the Niger river; formerly
         famous for its gold trade
    

30 Moby Thesaurus words for "Timbuktu":
      China, Darkest Africa, God knows where, Greenland, North Pole,
      Outer Mongolia, Pago Pago, Pillars of Hercules, Siberia,
      South Pole, Thule, Tierra del Fuego, Ultima Thule, Yukon,
      antipodes, frontier, godforsaken place, jumping-off place, nowhere,
      outback, outer space, outpost, outskirts, pole, the Great Divide,
      the South Seas, the boondocks, the moon, the sticks, the tullies