If you have ever traveled in Europe, odds are you have visited at least one major cathedral. These massive religious buildings were and still are, the architectural centerpieces in most cities.

Yet, most visitors to a cathedral will usually walk around, gawking at lofty ceilings and old art without ever really knowing what they are looking at.

...and by the way, what exactly is a cathedral?

Learn more about cathedrals on this episode of Everything Everywhere Daily.
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