I haven't spent a lot of time re-exploring the different missions with a camera yet. As a child, our family visited all of the missions on various trips (except the two closest to home - go figure). I've got to agree that there is something special about La Purisima Concepcion, probably because it's so well separated by open space from any encroaching modern civilization, it retains more of the feel of being a remote outpost. I think all of them offer an opportunity to step back in time, at least for a while.