What you'll hear inside Royal Collegiate Basilica of San Isidoro of León:

• 1
  Gallo Tower

  The Torre del Gallo serves as the bell tower of the Real Colegiata de San Isidoro in León, positioned at the base of the church and set against the Roman walls.

• 2
  Fonseca Cloister

  The Claustro de Fonseca, the principal cloister of the Real Colegiata in León, was constructed in the 16th century under Abbot Fonseca's direction and underwent partial Baroque renovation.

• 3
  Chapel of Santo Martino (Trinidad)

  The Capilla de Santo Martino in León was originally built around 1191 as the chapel of the Santísima Trinidad by the Isidorian canon Santo Martino, positioned adjacent to the northern apse of the…

• 4
  Archive-Library

  The Archivo-Biblioteca is a two-storey independent building constructed in the late 16th century by Juan de Badajoz el Mozo, positioned above the entrance vestibule.

• 5
  Romanesque Gallery (Pantheon of the Infantes)

  The Galería románica, also known as the Panteón de Infantes, is an L-shaped gallery adjoining the Panteón Real to the north and west.

• 6
  Chalice of Doña Urraca

  The Cáliz de doña Urraca, an 11th-century chalice on display at the Museo de la Real Colegiata de San Isidoro in León, is a remarkable example of medieval craftsmanship.

• 7
  Arqueta of the Ivories

  The Arqueta de los Marfiles is a remarkable piece of medieval ivory craftsmanship housed in the Treasury of the Royal Collegiate Church of San Isidoro in León.

• 8
  Chamber of Lady Sancha (Cathedral Treasury)

  Doña Sancha's Chamber stands as one of the few surviving remnants of the medieval royal palace of the Kings of León, positioned beneath the church above the Royal Pantheon.

• 9
  Vaca Chapel

  The Vaca Chapel forms part of the Museo de San Isidoro in León, housing a select collection of historically significant artefacts.

• 10
  Renaissance Staircase of the Prior's Chamber

  The Renaissance staircase of the Prior's Quarters is one of the most impressive spaces within the Real Colegiata de San Isidoro.

• 11
  Royal Pantheon

  Crypt with 12th-c. Romanesque frescoes, the 'Sistine Chapel of Romanesque'; tombs of León's kings.

• 12
  Lamb Gate

  Main Romanesque portal with the Mystic Lamb, Sacrifice of Isaac and zodiac.

• 13
  Door of Forgiveness

  Romanesque transept portal, opened in jubilee years for pilgrims to Santiago.

• 14
  Nave and Main Chapel of the Basilica

  12th-c. Romanesque church; Gothic main chapel by Juan de Badajoz with St Isidore's casket.

• 15
  Biblical and Oriental Museum

  Near-Eastern archaeology collection (c.