St. Mary's Cathedral in Edinburgh is the mother church of the Scottish Episcopal Church. Located on Palmerston Place, it was designed by architect Sir George Gilbert Scott and completed in 1879. The cathedral features stunning Gothic architecture, including a tall spire and intricate stained glass windows. Inside, visitors can admire the beautiful nave and the peaceful atmosphere. The cathedral is known for its vibrant community and hosts various services and events throughout the year. It also serves as a venue for concerts and art exhibitions, making it a cultural hub in the heart of Edinburgh.