The Convento de Santa Clara (Santa Clara Convent) is located at the south of Plaza Vieja Square of Havana. This is the biggest and oldest convent in all of Cuba, built between 1638 and 1643, and it is a good example of early Spanish influenced architecture. It was actually the first female convent in the city. The temple stopped serving for religious purposes in 1920, housing for some time the Ministry of Public Works. It is currently part of the restoration team of Old Havana. It being recommended to visit the Colonial-style interior patio, where the first public fountain of the city was found; the cloister, the cells of the nuns and the small cemetery.

A few steps towards Calle Brasil from Plaza del Cristo Square is where the 1886 Museo de la Farmacia Habanera is located. Founded by the Catalonian José Sarrá, it is a shop-museum and nowadays still functions as a pharmacy. The museum displays the history of pharmacies in Havana and their evolution in Cuba. This Pharmacy preserves its original Neo-gothic furniture with Moorish influences, and host a large collection of medicine bottles and medical tools, extracted from archeological excavations in the old city, as well as a book collection with valuable prescriptions for the study of Cuban pharmacopoeia. The museum also exhibits an elegant scale model of an old pharmacy with captivating historical explanations.

The Museo del Automóvil (Automobile Museum) is located in an 1892 Neoclassical construction in Old Havana. This museum is divided in two exposition rooms, which share the entire collection composed by 30 promenade cars, two rigid trucks, a funeral carriage, a special vehicle, seven motorcycles, a semaphore, three fuel pumps and two didactic imitations. This museum has a very well preserved and interesting collection of old automobiles, among which are the noteworthy Thunderbird, Pontiac, and Ford T, among others. The oldest vehicle in the collection dates from 1905, and the latest one comes from 1989. Most of them are North American, although some cars were made in Italy, Spain, Germany and Great Britain. It houses automobiles related to specific people and others antiquated vehicles. An example of this is the Cadillac used by Ernesto Che Guevara when living in Havana, the 1930 Fiat from Flor Loynaz, or the 1959 Oldsmobile used by Commander Camilo Cienfuegos.

The Museo de Bomberos (Firefighters Museum) is located in the same place where more than 20 firemen died during a great fire. The purpose of this museum is to promote fire prevention throughout the population and to recognize the great work firemen do. The museum contains a bronze sculpture of a fireman, several water tanks, firefighter uniforms, and other related items. It also has an auditorium and offers guided tours and fire prevention courses for children and teenagers.