His itinerary can be followed by the series of letters he wrote: Brussels, Paris (in order to visit which the brothers had to disguise themselves as Americans as Britain was at war with France at the time), Berlin, Potsdam, Prague, Dresden, Vienna. He visited Italy, including, Florence, Venice, Padua, Genoa, Vicenza, Rome, Naples, and Sicily, then went on to Greece, seeing Corinth, Athens, Delphi, Thebes and Olympia. From Athens Smirke wrote to his father: