A cathedral is a large, important church that serves as the home base for a bishop, who oversees churches in a region. Not every big church is a cathedral: only the one where the bishop has their official seat.

Cathedrals are often the most impressive buildings in their cities, designed to inspire awe and reverence. Many famous cathedrals took centuries to build: Notre-Dame in Paris took nearly 200 years, and Spain's Sagrada Família has been under construction for over 140 years. Medieval builders used soaring arches, colorful stained glass windows, and intricate stone carvings to create spaces that made people feel small before something vast and sacred.

When you visit a cathedral, you might notice how sound echoes differently than in ordinary buildings, how light streams through the windows in colored beams, or how the ceiling seems impossibly high. These weren't accidents: builders carefully planned every detail. Some cathedrals feature massive pipe organs with thousands of pipes, each producing different notes that fill the enormous space with music.

Today, cathedrals remain active churches while also serving as historical landmarks. People visit them to worship, to marvel at the architecture and art, or simply to experience the remarkable acoustics and atmosphere that generations of skilled craftspeople helped create.