Worms Cathedral, officially known as St. Peter's Cathedral, is a Romanesque church located in the city of Worms, Germany. Construction began in 1120 and was completed in 1181, making it one of the oldest cathedrals in the country. The cathedral is notable for its impressive twin towers and intricate architectural details, reflecting the style of the time. The cathedral has significant historical importance, as it was the site of the Diet of Worms in 1521, where Martin Luther defended his beliefs. It is also home to various artworks and tombs, including those of notable figures from the region's history.