The Cathedral of Notre-Dame in Strasbourg is a stunning Gothic cathedral located in the city of Strasbourg, France. Construction began in 1015, and it was completed in 1439. The cathedral is renowned for its intricate architecture, including its famous astronomical clock and beautiful stained glass windows. Standing at 142 meters, it was the tallest building in the world until the completion of the Washington Monument in 1884. The cathedral is a UNESCO World Heritage site and attracts millions of visitors each year, showcasing the rich history and culture of the Alsace region.