Cathedral Basilica of Saint Louis

Completed in 1914, the cathedral’s gray granite Romanesque exterior gives way to a breathtaking white and yellow marble Byzantine interior that glows with the largest collection of mosaics under one roof in the world. Open Mon-Sat 7 am-5 pm, Sun 7 am-6 pm. Museum and shop open daily 10 am-4 pm. Guided tours Mon-Fri 10 am-3 pm. 4431 Lindell Blvd., in the Central West End, 314.373.8200