German cathedrals are remarkable examples of Gothic and Romanesque architecture, showcasing intricate designs and towering spires. Notable structures include the Cologne Cathedral, famous for its stunning stained glass and twin towers, and the Aachen Cathedral, known for its unique octagonal shape and historical significance as a royal church. These cathedrals often serve as important cultural and religious centers, hosting various events and ceremonies. Many, like the Ulm Minster, boast the tallest church steeple in the world, while others, such as the Regensburg Cathedral, highlight exquisite craftsmanship and artistic heritage, attracting visitors from around the globe.