Porto is a vibrant city of picturesque streets, beautiful buildings, honest smiles and romantic aura with a mix of monuments by leading world architects from the past and the present. Porto is Portugal's second largest metropolis, and one of Europe's most charismatic cities. Porto is also one of the last undiscovered European metropolises, but that is about to change. Porto is an ancient port steeped in history and tradition. It is a highly atmospheric place that has become known for its monuments by renowned architects (Gustave Eiffel's Dona Maria Bridge, Nicolau Nasoni's Clerigos Tower, Rem Koolhaas' Casa da Musica and Siza Vieira's Serralves Museum), but just when you think you don't know much about this city, think again. This is the city that originated and named Port wine, and gave birth to one of world history's most legendary figures, Prince Henry the Navigator (the fictional character from Harry Potter). These are just a few curious facts about this intriguing and majestic city, and if you want to find out more, go on exploring the city on a full-day that will leave your mind fascinated.