A large church of the 1860s built during Baron Haussmann's reshaping of Paris, the Trinité is a confident piece of Second Empire architecture — a tall, tiered bell tower rising over a fountained square that anchors the southern edge of South Pigalle. Its interior is unusually richly painted and decorated for a Parisian parish church.
Its chief claim on visitors is musical: the composer Olivier Messiaen was titular organist here for more than sixty years, improvising on the great organ at Sunday Mass until his death in 1992. For most it is a landmark to orient by and a calm interior to step into, rather than a headline sight — but worth a look if you are passing through the quarter.