Cologne Cathedral houses the Shrine of the Three Kings, a reliquary that tradition says holds the bones of the Biblical Magi. But how did they get there? In the year 313, Emperor Constantine the ...

But the architect formerly in charge of Cologne Cathedral in neighboring Germany fears things are moving too fast.More than just a beautiful house of worship, Notre Dame is a French national treasure.

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 ...