Five friends embark on a 1,200 mile journey along the US-Mexico border from El Paso to the Gulf of Mexico to learn first hand what effect a border wall will have on the natural landscape and the wild animals roaming the land.
2004
1999
1993
1967
1983
1970
1987
2017
2023
2020
2024
2003
1969
1997
2002
2013
2007
1972
2008