Sant'Andrea della Valle, located in the heart of Rome, is a stunning example of Baroque architecture and a minor basilica that holds significant historical and artistic value. It is renowned for its majestic dome, which was once the third largest in Rome, and its rich interior adorned with frescoes by Giovanni Lanfranco and Domenichino. The basilica stands as a testament to the grandeur of religious art in Italy and continues to be a place of worship and a landmark of cultural heritage.