In a 1909 warehouse on Avenida da Índia, the centre that studies and stores finds from Lisbon’s excavations; occasional guided visits by booking only.

On Terreiro do Paço, the epic of cod fishing off Newfoundland and its place at the Portuguese table.

In the Portugal Pavilion, models and videos tell how Expo '98 transformed the area; currently temporarily closed.

At the Alcântara station, nine rooms tell the story of Almada Negreiros's murals; those at Rocha do Conde de Óbidos are under works.

In Alfama, on Lisbon’s last medieval Jewish street, a centre devoted to Sephardic memory and culture, with guided tours and exhibitions.

Ventura Terra's 1904 synagogue, hidden in a walled garden on Rua Alexandre Herculano; guided tours by appointment only.

Next to the Jerónimos, the story of the Casa Pia de Lisboa since Pina Manique founded it in 1780, over three floors; visits by prior booking.

In Odivelas, on the Lisbon boundary, an 1873 slaughterhouse turned in 1989 into a home for theatre, dance, music and cinema.

Portugal’s first botanical garden, founded in 1768: two terraces of box hedges and baroque fountains, the old dragon tree and a view over the Tagus.

Behind the Jerónimos, seven hectares of tropical plants, the Calheta Palace and the 1940 exhibition pavilions, in a garden created in 1906.

Opposite the Estrela Basilica, the Romantic garden of 1852, with an iron bandstand, ponds and peacocks; open daily.

In Dafundo, one of the oldest public aquariums in the world, opened in 1898, with live fish from the Portuguese coast and King Carlos I’s oceanographic collections.