The Cologne Cathedral proudly stands as the second tallest structure in the city, only outdone by the telecommunications tower. Its sheer scale is awe-inspiring: the Cathedral stretches an impressive 145 meters in length, with the cross nave spanning 86 meters. This architectural marvel is not just a feast for the eyes but also a treasure trove of history and culture. Inside, you'll find stunning stained glass windows that tell stories from centuries past, casting colorful light across the stone floors. If you're planning a visit, don't miss the chance to climb to the top for a panoramic view of Cologne that is nothing short of breathtaking.