Casa de las Conchas is a historic building located in Salamanca, Spain. Constructed in the late 15th century, it is renowned for its unique façade adorned with over 300 shells, which symbolize the Order of Santiago. The building showcases a blend of Gothic and Plateresque architectural styles. Today, Casa de las Conchas serves as a public library and cultural center. Visitors can explore its beautiful courtyard and intricate stonework, making it a popular attraction for tourists and locals alike. The building is also a significant example of Spanish Renaissance architecture.