Porto Alegre stakes its cultural identity on Álvaro Siza's riverside Iberê Camargo Foundation, a Mercosul Biennial that turns warehouses into galleries, and a 1858 opera house still lit for chamber recitals. Between them sit murals, sebos and gaúcho song.
Álvaro Siza's only South American building (2008, Pritzker laureate): a white concrete monolith on the Guaíba with suspended exterior ramps. Holds ~4,000 works by painter Iberê Camargo plus rotating shows. Wed–Sun 12:00–19:00; free entry, Wed–Sun.
Housed in the 1913 eclectic-style former customs house by Theo Wiederspahn on Praça da Alfândega. Some 5,000 works trace gaúcho art from Pedro Weingärtner to contemporary. Tue–Sun 10:00–19:00, free; the Café do MARGS occupies the arcaded ground floor.
Two Wiederspahn buildings facing each other on Praça da Alfândega: the 1913 former post office (now state memorial, with the Caixa Cultural upstairs) and the 1932 bank turned arts centre, whose stained-glass dome and old vault serve as galleries.
The state's oldest museum (1903) sits in an 1887 townhouse on the Duque de Caxias ridge, alongside the Solar dos Câmara and the twin-towered Catedral Metropolitana. Museum Tue–Sat 10:00–17:00; the street is Porto Alegre's densest colonial-to-eclectic stretch.
Inaugurated 1858, Porto Alegre's oldest working theatre: a Portuguese-colonial façade wrapping a horseshoe auditorium of about 700 seats over three tiers. Free guided visits on weekday mornings; the Multipalco annex behind it adds two modern stages.
The old Hotel Majestic, where poet Mario Quintana lived for years, reopened in 1990 as a seven-floor arts house: cinema rooms, galleries, a theatre and Quintana's preserved bedroom. The Café Santo Rooftop on top looks over the Centro Histórico to the river.
One of Latin America's largest interactive science museums, on the PUCRS campus in Partenon: roughly 800 hands-on exhibits over three floors, plus a serious palaeontology collection of Triassic fossils dug from Rio Grande do Sul's Santa Maria formation.
The 1927-founded Ospa (Orquestra Sinfônica de Porto Alegre) plays its season at the Casa da Ospa near Farroupilha, while the open-sided Araújo Vianna auditorium at the park's edge takes touring acts and MPB nights under a shell roof.
Porto Alegre's bohemian quarter carries decades of muralism, from Prof. Rodrigo's large-format faces to collective pieces along Rua da República and General Lima e Silva. Sober by daylight, the same blocks turn into the city's densest bar strip after dark.
Bom Fim, the old Jewish quarter facing Redenção park, keeps Porto Alegre's second-hand bookshop trade alive on Rua Fernando Machado and Osvaldo Aranha, with long-running bars where the city's musicians and writers still hold court over chopp.
The state contemporary art museum sits in the restored Cais Mauá warehouses, the same brick sheds the Bienal do Mercosul fills every two years with large-scale installation work. Free entry; hours track the exhibition calendar, so confirm before crossing.
Founded 1948, the mother house of the CTG movement that codified gaúcho tradition: chula and pezinho danced in bombacha and prenda dress, plus milonga and vaneira played live on accordion and violão at weekend fandangos.