The house of Don Diego Alvearis an 18th-century manor house in a neoclassical style but with baroque elements, commissioned to be built by Don Diego de Alvear and Ponce de León, and which years later will be donated by his grandson, the VI Count of the Cortina, Don Francisco Alvear and Gómez.
As spaces that maintain their original image, we highlight the main courtyard, which maintains the porticoed patio scheme around which the rooms are distributed, a second patio, where we find a cave, and the small chapel, on the first floor. de Alvear and Ponce de León was an important character in the scientific expeditions carried out by the Spanish crown during the 19th century.
He is one of the protagonists who enclose the history of the wreck of the Frigate of the Mercedes, in which not only a very important part of his heritage sank, but almost all of his family, his wife and his children, surviving only one, precisely the one who was traveling with him on another ship.