From their towering arches to their stained glass windows, these architectural marvels took centuries to complete.

All of these mesmerizing structures are so much more than just places of worship. From recognizable city icons to cathedrals-turned-museums, these incredible buildings range from the historic to ...

Cathedrals are not just stone and stained glass; they are testaments to human ambition and skill. The centuries required to build structures like Cologne Cathedral underscore their historical depth.