This 18th-century building once served as a hospital and an infantry regiment. It wasn't until 1929 that it opened as a theater, remaining in use until 1987. After renovations, it reopened in 2007. The circular concert hall is covered with a dome, and seating is divided into stalls, a box section, and two levels of boxes with ornate balconies. The building is classified as a Property of Public Interest.

Housed in the city's former Bishop's Palace, this museum was established in 1917. The most notable feature of the museum's collection is its eclecticism. The collection is primarily from the 18th century, spanning the period from the 1st century to the present day, with a clear emphasis on the Renaissance period. Highlights include the Flemish tapestries and paintings by Vasco Fernandes. The Gothic transept located here is classified as a Property of Public Interest.

Founded in 1989, this library once belonged to Fundação Calouste Gulbenkian. It has a wid collection of national and international press and is also a municipal archive.