The Cathedral of the Resurrection, also known as the Church of the Savior on Spilled Blood, is an iconic Russian Orthodox church located in Saint Petersburg. It was built on the site where Emperor Alexander II was assassinated in 1881. The cathedral is renowned for its stunning architecture, featuring colorful onion domes and intricate mosaics that depict biblical scenes. Construction of the cathedral began in 1883 and was completed in 1907. It showcases a blend of architectural styles, primarily Russian Revival and Byzantine influences. Today, the Cathedral of the Resurrection serves as a major tourist attraction and a symbol of Saint Petersburg's rich history and culture.