The Sant Joan de Boí is a remarkable example of Romanesque architecture, renowned for its unique Lombard-style belfry and ancient frescoes. Nestled in the picturesque Vall de Boí, this church is part of a group of nine Catalan Romanesque Churches of the Vall de Boí, which have been designated as a UNESCO World Heritage Site. This recognition underscores the cultural and historical significance of these churches, which are not only religious landmarks but also treasures of early medieval art and architecture. The Vall de Boí is a testament to the rich heritage and the enduring legacy of Romanesque art in Catalonia.