As statistical surveys show, both Poland and the neighbouring Czech Republic are single-ethnic and highly monolingual countries. The observation of the linguistic landscape of the Polish-Czech borderland suggests, however, that the display of common natural heritage is conducive to weakening monolingualism and the development of multilingual practices instead. The hypothesis is being checked in a comparative analysis of the linguistic landscape of two picturesque locations - Czech Adršpach and Polish Karłów where a lot of natural sights in the form of rocks can be found. The case study proves that different languages and communication modes are used to describe these attractions: