Biscainhos Museum is housed in a magnificent 17th-century aristocratic palace, former residence of the Counts of Bertiandos. It showcases the daily life of Portuguese nobility from the 17th to 19th centuries through period furniture, Azulejo tiles, and decorative arts. Collections include furniture, ceramics, jewelry, textiles, paintings, and musical instruments. The historic Baroque gardens are free for everyone year-round. Free entry Sunday mornings until 12:30.