Quinta de Boa Vista is a park located in the San Cristobal neighborhood of Rio de Janeiro, Brazil. Within the park is the San Cristobal Imperial Palace, which was the residence of the Brazilian imperial family and the site of the National Museum of Brazil, until a fire in September 2018 destroyed much of its holdings.

In the 19th century, Quinta da Boa Vista belonged to Elias Antônio Lopes, a Portuguese merchant who built a mansion on the hill in 1803. Upon the arrival of the Portuguese royal family in 1808, Lopes decided to donate his property to Prince Regent Juan de Bragança to serve as a royal residence. At that time, the area was surrounded by mangroves and communication routes were complicated, but the transformation of the area allowed access and the construction of the palace.

The remodeling of the house, by British architect John Johnston, was completed in 1821, converting the mansion into a royal palace. Later, Portuguese architect Manuel da Costa and French architect Pierre-Joseph Pézerat made further modifications, giving it its final neoclassical style. Between 1847 and 1869, Manuel de Araújo Porto-Alegre and Theodor Marx made further improvements, while the interior decorations, such as the Throne Room, were the work of Italian artist Mario Bragaldi.

The palace was home to Emperor Pedro I, his wife Maria Leopoldina and their children, among them Pedro II, who remodeled the gardens with the designer Auguste Glaziou, incorporating elements such as lagoons, bridges and false ancient ruins following the romantic aesthetics of the time.

With the Proclamation of the Republic in 1889, the imperial family was exiled and the palace was temporarily abandoned. In 1891, the building was used for the drafting of the first Constitution of the Republic, and a year later, in 1892, it became the permanent home of the National Museum of Brazil. The gardens were restored in 1909 by order of President Nilo Pecanha, preserving Glaziou's design.

After the fall of the Empire, many original decorations of the palace were destroyed or sold. Some of these imperial relics, such as those in the Throne Room, are now on display at the Imperial Museum of Petrópolis. On September 2, 2019, a fire devastated the palace and most of the museum's treasures, although the structure of the building remained standing.