The majestic Santander Cathedral, also known as the Cathedral of the Assumption of the Virgin Mary, is the spiritual heart and the most significant historical monument of the city of Santander. This unique temple complex, located on the highest point of the city, stands as a monumental testament to centuries of history carefully preserved by Spain.

The cathedral's uniqueness lies in its unusual structure: it consists of two superimposed churches. The lower church, or Cripta del Cristo, was built in the 13th century and retains austere Romanesque features, while the upper level was expanded and rebuilt in later periods. The cathedral's architecture harmoniously combines the sternness of the Romanesque style with the elegance of the Gothic, creating a unique appearance that stands out against the backdrop of modern buildings.
Inside the temple rest the relics of the patron saints of Cantabria — Emeterius and Celedonius, making the cathedral a place of pilgrimage and special reverence. Surrounded by a picturesque Gothic cloister with orange trees and an ancient well, the cathedral offers guests not only architectural discoveries but also a rare atmosphere of peace and tranquility in the heart of a bustling port city.