The site for International Museum Day details all the initiatives being organised for the occasion by the various facilities. Examples include:

• El Born CCM has created an exclusive website and will be offering activities on social media.
• The Museu d’Història de Barcelona will be offering the lecture by Rana Alhussin ‘Barcelona under reconstruction: post-war public spaces. The opening of Avinguda de la Catedral (1939–1958)’ on 18 May, at 7 pm.
• The Museu del Disseny will be offering various family activities, such as a treasure trail and a museum memory game.
• The History Archive is offering a trivia competition with questions that can be answered by looking for information on its website.
• Montjuïc Castle will also be running a contest on its Facebook, with two guided tour invitations up for grabs.
• The Museum of Ethnology and World Cultures will be offering two live activities on its Facebook on 18 May: the interactive guided tour “Les cares de Barcelona” and a special “Trencadís literari: La Rambla de les floristes”, with Martí Gironell interviewing Jordi Prat to talk about Josep Maria de Sagarra’s classic.
• The Frederic Marès Museum will be offering brief videos with various collaborators explaining their favourite pieces from the collection.
• The Fundació Joan Miró is offering a stroll and a virtual tour, plus various family activities.
• The Picasso Museum is offering virtual tours of its collection and courtyards, along with a competition.
• The Barcelona Centre of Contemporary Art – Fabra i Coats (CAC) and the Fàbrica de Creació are posting two new exclusive videos.
• La Capella is offering a virtual guided tour with Pere Llobera.
• La Virreina Centre de la Imatge is also offering a virtual guided tour, with Valentín Roma.
• The Reial Monestir de Santa Maria de Pedralbes will be offering activities on social media, including a trivia game and a pairs game.
• The Archaeology Service will be offering 3D reconstructions of the four domus of Bàrcino.