Baalbek, also known as Heliopolis, is a historic site in Lebanon renowned for its extensive and spectacular Roman ruins. This archaeological site features some of the most well-preserved Roman temples and structures, which make it a treasure trove of ancient history. Located in the Beqaa Valley, the ruins include the monumental Temple of Bacchus, one of the best-preserved Roman temples in the world, and the Temple of Jupiter, notable for its colossal columns. These ruins are a testament to the skill and craftsmanship of Roman architects and engineers. The scale and complexity of the site also reflect its historical importance as a center for trade, religion, and cultural exchange. The temples were built on an ancient tell that dates back at least to the end of the third millennium B.C. Baalbek is a UNESCO World Heritage site due to its cultural significance and the incredible state of preservation. The city's history, layered with Greek, Roman, Christian, and Islamic cultural influences, makes it a fascinating destination for historians and tourists alike.