The House of the Mithraeum of the Painted Walls was built in the second half of the 2nd century BC (opus incertum) and modified during the Augustan period.
Ernest Renan suggested that without the rise of Christianity, we might all have embraced the cult of Mithras. Nevertheless, it has had a lasting influence on secret societies, religious movements and popular culture.
HBO Max's sci-fi series Raised By Wolves features a religious faction that references Sol and the Mithraic Mysteries. Here are the real-world Roman concepts the show borrowed from.