>> funding for this program is provided by subaru. >> at subaru, we build vehicles like the rugged outback. with symmetrical all-wheel drive standard and plenty of cargo space. for those who pack even more adventure into life. subaru, a proud sponsor of "globe trekker." >> previously on "globe trekker around the world." justine shapiro traveled across america on route 66 and beyond. judith jones and brianna barnes journeyed through latin america, the land of conquistadors, aztecs and incas. zay harding then crossed the pacific from santiago to new caledonia. megan mccormick began our silk road journey in xi'an in china.