The Basilica of St. Mary in Trastevere is one of the oldest churches in Rome, located in the charming neighborhood of Trastevere. It was built in the 4th century and is dedicated to the Virgin Mary. The basilica is known for its stunning mosaics, particularly those that adorn the apse, which depict scenes from the life of the Virgin. The church features a beautiful façade with a striking bell tower and a spacious interior filled with ancient columns. It serves as an important place of worship and a popular tourist attraction, reflecting the rich history and artistic heritage of Rome.