Yes I am familiar with the Roman ruins of Carnuntum in Austria. Carnuntum is a well-known archaeological site located in the town of Petronell-Carnuntum, approximately 45 kilometers east of Vienna. It was once a significant Roman city that played a vital role in the Roman Empire. The site features well-preserved ruins and reconstructed buildings, offering valuable insights into the daily life, culture and history of the Roman era. Carnuntum is particularly renowned for its archaeological excavations which have uncovered various structures, including Roman baths, temples, a gladiator school and more. It is a popular destination for history enthusiasts, tourists and researchers interested in Roman history and archaeology. The site also includes a museum that houses artifacts and provides further context about Carnuntum's role in the Roman Empire. Carnuntum is considered one of the most important Roman archaeological sites in Austria and offers a fascinating journey back in time to the days of the Roman Empire.