Naive architecture, also called visionary landscaping or visionary environment, refers to those constructions carried out by self-taught people without academic or artistic training who build a structure, generally of monumental size, outdoors and without a specific function, based on a subjective, personal and marginal vision.[1]​ It is common for this type of architecture to use recycled elements and waste,[2]​ as well as brick, cement and other construction materials. low cost.[3]​.

The spontaneous character of these creations is closely linked to naïve art and marginal art or art brut. Visionary landscaping arouses a mixture of rejection and admiration;[4]​[5]​ on the one hand, art critics reproach the artist's lack of knowledge to carry out such constructions, often loaded with structural flaws or the apparent absence of aesthetics, while others applaud the strong emotional and symbolic charge offered by their creators, who spend years completing a work with their own hands.