Museu da Baronesa, Historic mansion museum in Pelotas, Brazil.

The Museu da Baronesa occupies an 1863 eclectic-style house built on the former Chácara dos Barões de Três Serros, probably for Aníbal Antunes Maciel. Its square plan has a veranda with lambrequins, a chapel, a sewing room, a ballroom and two courtyards. The grounds hold a French-style garden with a fountain, canals with bridges, lakes with an island, a quartz grotto, a romantic little castle and a 1935 American bungalow.

The residence was built in 1863 on the former Chácara dos Barões de Três Serros, probably commissioned by Aníbal Antunes Maciel (1838-1887), its first owner. In 1978 the building and its seven-hectare grounds were donated to the municipality of Pelotas, and the museum opened there in 1982. It was listed as municipal historic heritage in 1985.

The collection reflects how wealthy families in Pelotas lived and what mattered to them in the late 1800s. Visitors encounter furnishings and everyday objects that show their daily routines and tastes.

The museum occupies the old residence and a seven-hectare park in the Areal neighbourhood, where charqueadas operated in the early 19th century. The house, chapel, bath tower, castelinho, grotto and lakes are spread across the grounds, so allow time to walk between them. The French-style garden with its fountain lies in front of the solar.

The museum runs a specialized conservation program for delicate textiles such as gloves and historical garments. These fragile items are preserved using custom protective supports made from specially selected materials.