Saint-Jean Baptiste Cathedral is a prominent Roman Catholic church located in Lyon, France. It is known for its stunning Gothic architecture and beautiful stained glass windows, which date back to the 13th century. The cathedral serves as the seat of the Archbishop of Lyon and is a significant religious site in the region. Construction of the cathedral began in 1180 and continued for several centuries, resulting in a blend of architectural styles. One of its notable features is the astronomical clock, which dates back to the 14th century and showcases intricate mechanical designs. The cathedral attracts many visitors each year, both for its historical significance and artistic beauty.