Yes, there are guided tours of the locations featured in Dan Brown's novel 'Angels and Demons.' This tour takes visitors to various churches, piazzas, and other landmarks in Rome that play a role in the story, such as the Pantheon, Piazza Navona, Piazza del Popolo, and Castel Sant'Angelo. With this tour, you can immerse yourself in the fascinating tales from the book but also in the history of Rome, the Eternal City.