Santa Maria in Cosmedin is a charming medieval church located in the heart of Rome's historic district. The church is known for its intricate Byzantine-style mosaics, which are among the best-preserved in Rome. The most famous feature of the church is the Bocca della Verità (Mouth of Truth), a large marble disk that was once used to test the truthfulness of those accused of lying.

The interior of the church is decorated with beautiful frescoes and marble columns, and visitors can admire the impressive 8th-century Cosmati pavement. The church's bell tower, dating back to the 12th century, is also an impressive sight.

In addition to its rich history and artistic beauty, Santa Maria in Cosmedin is also a popular destination for foodies. The church is located in the charming neighborhood of Testaccio, which is known for its traditional Roman cuisine. Visitors can sample local specialties like cacio e pepe, carbonara, and amatriciana at the neighborhood's many trattorias and osterias.

Whether you're interested in history, art, or food, Santa Maria in Cosmedin is a must-visit destination in Rome. Its stunning mosaics, beautiful architecture, and rich cultural heritage make it a unique and memorable stop on any Rome itinerary.