A historian’s delight, Athens is home to such magnificent wonders as: the Acropolis, the Parthenon, the atmospheric winding streets of the Plaka, Temple of Olympian Zeus and Temple of Athena Nike, and the Archaeological Museum with the world’s finest collection of ancient artifacts. In Rome, marvel at St. Peter’s Basilica, the Sistine Chapel,  Trevi Fountain, the Coliseum…And, in Barcelona take in the exquisite architecture all around you with Gaudi’s  Sagrada Familia certainly being the most profound sample of it. End your cruise in Lisbon; this elegant ‘City of Explorers’ overlooks the River Tagus, and offers a number of distinctive neighborhoods to discover. Tour the Alfama, where the winding streets still retain much of their Moorish atmosphere. Stroll to Bairro Alto and hear the melodious sounds of Portugal’s Fado music. Nearby excursions transport you to the lavish 18th-century palace of Queluz and Sintra’s Royal Palace