Mexico City is the world’s largest metropolis: modern, crowded, and steeped in tradition. Rudy begins at pre-Aztec Teotihuacán, and learnss more about Mexico's roots at theNational Museum of Anthropology. Modern excitement can be found at the Zocolo, the world’s second largest square and the center of national life. Finally we head to Ixtapa-Zihuatanejo on the Mexican Riviera.