Colorado's San Luis Valley is the last place you might expect to find a centuries old lineage of Sephardic Jews. But a rare form of breast cancer and a host of odd traditions, artifacts, and rituals led researchers to discover an enclave of Crypto-Jews that fled Europe for the New World in the 16th Century to hide out in one of the most remote areas of the lower 48 states. On this episode, we'll unveil a secret Jewish faith and identity rooted deep in the American Southwest.