India, Jan. 24 -- Hollywood actor Nicole Kidman has ticked off a major travel milestone. With her visit to Antarctica with her "besties", daughters Sunday Rose (17) and Faith Margaret (15), the 58-year-old actor has become one of the few to have travelled to all seven continents of the globe. She dropped several pics from the "once in a lifetime adventure", where the trio can be seen posing on ice, lounging on a ship, and touching down on "my 7th continent". The intrepid outing comes weeks after she finalised her divorce from singer Keith Urban, whom she married in 2006. htc...