Bow your head, say a prayer and perhaps even light a candle in Cathedral San Nicholas de Bari. This important place of worship may not be open all day, so check ahead for hours if you'd like to go inside.
This La Rioja principal church is an ideal place to kick off your day of sightseeing. There's lots to experience in the vicinity, including Plaza 25 de Mayo, Museo Folklórico, and Anthropological and Natural Sciences Museum. Wander around at your leisure at Cathedral San Nicholas de Bari before hitting up these other fine sights.