The building could have housed up to 20,000 scrolls and might even be the oldest library discovered in the north-west ancient ...

That's where our famous cathedral is. It is one of the most visited sites in Germany. It took 750 years to build it. Cologne cathedral has the largest free-swinging bell in the world. It's called ...

cannot be refunded. Please use our online calendar to register. If you have any questions about guided tours at the Cologne site, please send an e-mail to our team.