generous support of the alumbra innovations foundation celebrating the opening of their museo del vaquero de las californiasn el triunfo, mexico, dedicated to preserving the historic traditions of the vaqueros of the californias. and also by... and by viewers like you. thank you. ♪♪♪ ♪♪♪ ♪♪♪ don bartletti: harry crosby took the risk. he took his courage, he took his intellect, and he went to places that were essentially unseen. ♪♪♪