St. Giles’ Cathedral: Situated on the historic Royal Mile, St. Giles’ Cathedral is a landmark of Scottish history and religion. Established in the 12th century, it became the focal point of the Scottish Reformation under the leadership of John Knox. The cathedral’s architecture is remarkable, particularly its crown spire and the intricate details of the Thistle Chapel, which honors Scotland’s most prestigious order of chivalry, the Order of the Thistle. Inside, visitors can admire the magnificent stained glass windows, grand organ, and various memorials commemorating important figures in Scotland’s history. It remains a spiritual and cultural hub in the heart of Edinburgh, with daily services and guided tours available for those interested in its rich history.