By Susan Feldman Foster The classic white adobe structure sits alone like a regal throne on the crest of a hill at the base of majestic 14,049 foot Culebra Peak. For years, the unassuming one-story building was home to the only health care available to the approximately 3,000 residents of Costilla County, comprising 1,200 square miles of semi-arid mountains, forests, valleys and plains. I was lucky enough to spend several years working as a public health nurse in this best kept secret in the world. It was, in fact, paradise. Looking back, I am intrigued with the history of this…