Overview: This trip, Guy's getting an authentic taste of all ends of the earth. In Bakersfield, Calif., the firehouse-turned-restaurant firing up Latin-fusion favorites like basque lamb tacos and popcorn pork with a side of zing. In Northfield, N.J., an Italian spot servin' all kinds of authentic specialties like grandma's pizza and homemade pappardelle pasta. And in Phoenix, the funky Thai joint dishing out off-the-hook dumplings and coconut Asian pork.