St Mary's Cathedral in Perth, Australia, is a prominent Roman Catholic church known for its stunning architecture and historical significance. Completed in 2009, the cathedral features a blend of Gothic and modern design elements, with beautiful stained glass windows and intricate stonework. The cathedral serves as the seat of the Archbishop of Perth and is a central place of worship for the local Catholic community. It hosts various religious ceremonies, including weddings and special masses, and is a popular destination for both tourists and locals interested in its cultural heritage.