The different trails are presented as:
-"Primera Etapa: Arena" (First Stage: Sand) for Pacific Crest Trail.
-"Segunda Etapa: Piedra" (Second Stage: Stone) for Camino Inca.
-"Tercera Etapa: Agua" (Third Stage: Water) for Kumano Kodo.
-"Cuarta Etapa: Tierra" (Fourth Stage: Earth) for Camino de Santiago.
-"Primera Etapa: Arena" (First Stage: Sand) for Pacific Crest Trail.
-"Segunda Etapa: Piedra" (Second Stage: Stone) for Camino Inca.
-"Tercera Etapa: Agua" (Third Stage: Water) for Kumano Kodo.
-"Cuarta Etapa: Tierra" (Fourth Stage: Earth) for Camino de Santiago.
At a point of the documentary Raúl and Alba make a visit to Hikertown. It's a famed free hotel created in 2003 by Hollywood producer Richard Skaggs for Pacific Crest Trail hikers, which is located about 77 miles north to Los Angeles and about 33 miles west to Lancaster at Mojave Desert (Los Angeles County, California).
When Raul and Alba are hiking by Kumano Kodo in Japan, they visit three Shintoist shrines in the trail. They are: Kumano Nachi Taisha (set in Nachikatsuura, Wakayama Prefecture), Kumano Hongu Taisha (Tanabe, Wakayama Prefecture) and Kumano Hayatama Taisha (Shingu, Wakayama Prefecture).