The facade on Plaza de las Pasiegas
Start outside on Plaza de las Pasiegas. The facade by Alonso Cano rises like a stone stage set, with three huge arches preparing you for the scale inside. It is worth stepping back before entering; the old square gives the Cathedral its city-theater moment.
Siloé's Main Chapel
The Main Chapel is the Cathedral's great reveal. Diego de Siloé shaped it around a circular, almost Roman sense of space, so the nave seems to gather toward light, altar, and movement rather than end in a flat wall. Stand near the center before you start reading details.
Side chapels, glass, and painted detail
After the Main Chapel, take the side naves slowly. The chapels carry different periods and devotional moods, while the 16th-century stained glass keeps lifting the eye back upward. This is where a self-guided visit becomes richer if you resist the urge to tick off the nave and leave.
The organs and the sound of space
The two great organs, associated with Leonardo Fernández Ávila in the 1740s, give the Cathedral a musical presence even when they are silent. Look for them as part of the room, not as separate decoration: they help explain why the interior feels ceremonial from several angles.