How much did the roman colosseum cost to build?

The construction of the Roman Colosseum, also known as the Flavian Amphitheatre, is estimated to have cost around 1 million sesterces, which translates to approximately $400 million in today's currency. Built between AD 70 and 80 under Emperor Vespasian and completed by his son Titus, it was funded through the spoils of the Jewish War. The Colosseum remains one of the most iconic symbols of ancient Rome and its engineering prowess.