Riding the Union Pacific through the Sonoran desert to the Mexican Border along two lesser seen former SP branch lines.

0:00 Downtown Phoenix
0:58 MPXTU
2:41 Phoenix rising
3:37 Tempe Town Lake
4:20 Tempe
5:58 Mesa
6:36 Sunset Route
8:33 Tucson
9:55 Southbound
12:30 Sahuarita
14:10 Green Valley
16:45 Sonoran Desert
21:25 Tubac
22:11 TumacacoriCarmen
24:33 Rio Rico Inspection
26:32 Nogales
28:45 The border
29:28 Mexico