Basilica of Saint Mary in Cosmedin (Basilica di Santa Maria in Cosmedin)

Nestled near the banks of the Tiber, the Basilica of Saint Mary in Cosmedin (Basilica di Santa Maria in Cosmedin) stands as a testament to Byzantine architecture, adorned with decorative elements such as a potentially pre-Roman crypt and intricate Cosmatesque marble floors and altar. The basilica is most famous for housing the Mouth of Truth (Bocca della Verità), an ancient Roman artifact steeped in medieval legends, which sits beneath its front portico. Visitors can explore the historical layers of this church, from its ornate interior to the iconic stone face that has captivated travelers, including those familiar with the classic film Roman Holiday.