León

León is a city that matches Burgos in historical weight and exceeds it in lively atmosphere. Give it at least two nights if you can — the cathedral, the Basílica de San Isidoro, the food scene, and the old quarter all deserve unhurried attention.

The Catedral de Santa María is one of the great Gothic cathedrals of Europe, and its stained glass is the defining feature. Nearly 1,800 square meters of medieval glass fill the nave with colored light — more glass than stone in places, which gives the interior an ethereal quality unlike any other Spanish cathedral. The 13th-century rose windows are extraordinary. Admission is charged.

The Basílica de San Isidoro is equally essential, though for different reasons. The Panteón Real (Royal Pantheon) beneath the church contains Romanesque frescoes so vivid and well-preserved that the vault is known as the 'Sistine Chapel of Romanesque art.' The scenes cover the ceiling: Christ in Majesty, the Annunciation to the Shepherds, the Last Supper. It's one of the finest collections of Romanesque painting in existence. The basilica museum also houses the Chalice of Doña Urraca, which some scholars controversially identify as the Holy Grail.

Beyond the churches: the Casa Botines is one of only three buildings Gaudí designed outside Catalonia — a Neo-Gothic pile that now houses a museum. The Hostal de San Marcos, a massive Renaissance plateresque building on the river, was once a pilgrim hospital and Inquisition prison; it's now a luxury parador. Even if you're not staying, the facade is one of the finest Renaissance compositions in Spain.

The Barrio Húmedo (the 'Wet Quarter') is León's answer to Calle Laurel in Logroño — a dense network of narrow streets packed with bars where the tradition is to serve a free tapa with every drink. The quality is high and the atmosphere is raucous. Budget your evening accordingly.

Multiple albergues operate. Hotels and pensiones range across all prices. Full city services: hospital, pharmacies, outdoor shops, train and bus stations. The Pilgrim Office provides credenciales and stamps.