In the Spanish border town Tui, this nice benchmark/plaque is located on a house wall very close to the church.
Visit Instructions:La única forma de demostrar que ha estado allí es mostrando una fotografía de usted o su GPS con la señal, de lo contrario la entrada no será aprobada.
The only way to prove that you have been there is posting a picture of you or your GPSr with the mark, on the contrary your waymark will not be
approved.