The Fraumünster stands on the western bank of the Limmat River in the heart of Zurich's old town, its slender teal spire visible from almost every angle of the city. Founded in 853 AD as a Benedictine convent by Louis the German for his daughter Hildegard, it was one of the most powerful religious institutions in medieval Zurich — the abbesses once held the right to mint coins, collect tolls, and govern the city. The convent was dissolved during the Reformation in 1524, but the church itself survived and remains an active Reformed congregation today, which gives it a refreshingly lived-in quality rather than the feel of a pure museum piece.
What draws most visitors now is something unexpected inside a Protestant church: five spectacular stained glass windows by Marc Chagall, installed in 1970 when the artist was in his eighties. The windows flood the nave in deep blues, greens, and reds, each one depicting a biblical theme — the Prophets, Jacob, Christ, Zion, and the Law — with that unmistakable Chagall dreaminess where figures float and animals drift through celestial scenes. A sixth window in the north transept was designed by Augusto Giacometti (cousin of Alberto) in 1945, and it holds its own beautifully. Standing in the nave when afternoon light comes through the Chagall windows is genuinely one of Zurich's great quiet moments.
Beyond the windows, the Romanesque choir from the 13th century is worth examining closely, and the Gothic cloister running along the south side of the church features a fresco cycle depicting the founding legend of Zurich. It's easy to spend time here without feeling rushed. Admission covers the church interior including the Chagall windows; photography of the windows is permitted without flash.
For the best light experience, aim for a sunny afternoon when the Chagall windows are fully illuminated — overcast mornings can dull the effect considerably. Combine a visit with a walk across the Münsterbrücke to the Grossmünster on the opposite bank, and you have the bones of a very satisfying afternoon in old-town Zurich. The church sits right beside the Münsterhof square, which has some of the city's better café terraces for a post-visit coffee.