One of the jobs the Religious Affairs Office is tasked with is presenting and disseminating the religious diversity found in Barcelona. It was with this aim and at the request of the Ciutat Vella District's Educational Resources Centre that the “Places of worship, spaces to discover” educational unit was established in 2008, to give third- and fourth-year compulsory secondary school (ESO) students access to the reality of religious diversity of their area, through visits to various religious and spiritual communities found in the neighbourhood or district.

These visits enable students to discover the daily life experienced by these communities and acquire a view of Barcelona's living, changing and evolving plurality. It has proved to be successful beyond expectations: from 2009 (when the visits started) until 2024 over 7,500 students from several schools in Barcelona (and other cities or towns such as Girona and Santa Coloma de Gramenet) visited centres the of worship of some dozen different faiths found in the city.

Thanks to the warm welcome and keenness to improve the material and make it all accessible to students and teachers for use at school, the activity's own website started to be developed around mid-2016, to offer content, resources, interactive material, maps, curiosities etc. Called “Discover religions” (Catalan), it launched in 2018.