The Greco-Roman-inspired town hall beside the Nikolaikirche dates from the mid–18th century and has a noteworthy Corinthian colonnade. Perched on top of the cupola is the Greek Titan Atlas, bent under the weight of the Earth. The Altes Rathaus underwent a complete transformation and reopened in 2013 as the Forum for Art and History with a permanent exhibit tbat walks visitors through Potsdam’s 1,000-year history.