León Cathedral is one of the best-known Gothic cathedrals in Spain and the most visited monument in the city. The Cathedral was built in the 13th century on the ruins of ancient Roman baths. Inside the cathedral you can enjoy 125 stained glass windows that flood the entire cathedral with light. The price to enter the cathedral is 5€ and it is located in the Plaza de Regla.
Casa Botines Gaudí Museum
The building was declared a National Historic Monument in 1969 and the museum is dedicated to the history of the building, the figure of Antonio Gaudí, the art and painting of the 19th and 20th centuries. Casa Botines is one of the most interesting pieces of ancient architecture in Spain.
St Mark's Church
Built in the Decadent Gothic style in 1531, the church of San Marcos was consecrated 10 years later. The church is located on the side of the Plateresque façade and consists of a wide nave covered with starred ribbed vaults. Admission to the church is free every Saturday and Sunday.