San Martín del Castañar in Spain is a charming village nestled in the stunning Sierra de Francia mountains. Known for its well-preserved medieval architecture, visitors can explore narrow cobblestone streets lined with traditional stone houses and a picturesque castle. Surrounded by lush forests and rolling hills, this tranquil setting offers a peaceful retreat for nature lovers and history enthusiasts alike. Don't miss the local cuisine and artisanal crafts that showcase the authentic Spanish culture of this hidden gem.