The Collaborative International Dictionary of English v.0.48:

globe-trot \globe"-trot`\, globetrot \globe"trot`\v. i.
   to travel all over the world for pleasure and sightseeing. --
   globe"-trot`ter, n. -- globe"-trot`ting, a.
   [WordNet 1.5]

WordNet (r) 3.0 (2006):

globetrotter
    n 1: someone who travels widely and often [syn: globetrotter,
         world traveler]