The Oriental Museum is a museum of international scope and is interdisciplinary in nature. Its thematic fields include history, Portuguese art and anthropology. The variety of pieces on display are definitely worth viewing.

The Museu Nacional de Arte Antiga is the most important art museum in Portugal, as well as Europe. The museum is known as MNAA (in English, the National Museum of Ancient Art) and is popularly known as the Museu das Janelas Verdes (Green Windows Museum) due to the color of its windows. It is located in the Palácio de Alvor-Pombal, a former palace of the Count of Alvor later purchased by the Marquis of Pombal. It is the best museum in which to learn about the development of Portuguese art prior to the early nineteenth century. Founded in 1884, the National Museum of Ancient Art is located near the Tagus River. In addition to once being the palace of the Counts of Alvor, the museum's building once housed the old convent of Santo Alberto. The chapel of the convent is a fine example of 18th-century Portuguese Baroque architecture, and the structure is incorporated into the exhibits.

The Marionette Museum is located in an eighteenth-century house and features the story of puppets from Portugal and around the world. It showcases more than 1,000 puppets, dating back to the 17th and 18th centuries. The museum also organizes entertaining activities for kids.

The Chiado Museum is an art museum located in the Chiado neighborhood. It was created in 1911 and re-inaugurated with new installations in 1994. The museum features work by noteworthy Portuguese and foreign artists, from the period between 1850 and 1950. It holds the best collection of Portuguese painting and sculpture from the Romantic, Natural and Modern periods. Since 1994, the Chiado Museum has occupied the old Convent of São Francisco (Saint Francis), a building of medieval origin. The renovation of the convent was done by the French architect Jean-Michel Wilmotte.

Mude is a design and fashion museum that opened in 1999. It is considered to be one of the most exceptional design museums in Europe. The museum contains Francisco Capelo's fashion collection of 1,200 couture pieces. The museum's collection includes work from more than 230 designers, representing different trends from around the world.

The Roman Theater Museum is located behind Lisbon's Cathedral. It is a small museum, containing some remains of a Roman Theater. The theater was built in the 1st century B.C. and had seating for about 5,000 people. The building was destroyed during Lisbon's big earthquake, and now it is situated mostly underground. The museum features Roman columns, a sculpture of Silenius and more.

The Decorative Arts Museum is housed in the 17th-century Azurara Palace. It depicts Portuguese aristocratic life from the 18th and 19th centuries. The palace belonged to a wealthy banker, Ricardo Espirito Santo, who bequeathed his valuable collection to the state. The interior of the building is decorated with paintings from the 17th century.

The Fado Museum chronicles the story of Lisbon's musical development. The museum charts the evolution of Portuguese music and captures the passion of a music-loving nation. Audiovisual presentations bring alive the cultural and social impact of Fado music in Portugal and the evolution of the Portuguese guitar. Also, visitors can find several wax figures, multilingual information panels, and musical archives that document the history of music in the country.

The Military Museum recounts more than 500 years of Portuguese military history, dating back to the 13th century. The building has 33 rooms with exhibits, where you can discover military arsenals, equipment and paintings. It is considered to have one of the largest artillery collections in the world. Here you can view displays of guns and swords, and can even get a close look at Vasco da Gama's sword. Recently, the museum opened the cellars for temporary exhibitions.