Escape the crowds this summer aboard ‘child free’ Marco Polo on this unique and relaxing voyage to four beautiful Atlantic Islands. Discover the stunning unspoilt Azores with their volcanic craters, tranquil lakes, lush valleys with unique flora, and the beautiful ‘garden isle’ of Madeira. Add to this the historic cities of Lisbon and Oporto with their fine buildings, monuments and impressive bridges, and you have a truly wonderful Portuguese cornucopia.