Museum / Cultural center
CA Ranking: 3 
Best for: More than 250 scientific instruments, books, maps and works of art detailing Humboldt’s work in Cuba
Open: 9:30am-5:30pm Tues-Sun
Admission: Free
Oficios #254, esq. a Muralla, Habana Vieja
In this 19th-century house, the scientist Alejandro de Humboldt installed his instruments and botany and mineral collections while ensconced here 1800-1801. Restored as a museum in 1997, the five exhibit halls contain remains of invertebrate mammals, more than 250 scientific instruments, books, maps and works of art detailing Humboldt’s work in Cuba, and specimen’s from Fidel Castro’s own malacology, entomology and mineralogy collection.
Opening hours: 9:30am-5:30pm Tues-Sat; 9:30am-1pm Sun
Modern
