Located in modern-day Lebanon, Baalbek is an ancient city noted for its extensive ruins. The city was identified with the worship of the Phoenician sun god Baal and called Heliopolis—city of the sun—by the Greeks. It became a Roman colony under Augustus, and work began there on some of the largest temples in the Roman Empire. It was later sacked by invaders and was destroyed by an earthquake in 1759. In the 6th century, eight columns were disassembled and sent to Constantinople for what purpose?
Source: The Free Dictionary