When travelers plan a vacation to Portugal, they often have to decide between Porto and Lisbon, two of the country's biggest and most popular cities. With the largest airports in the entire nation ...

The city covers about 16 square miles of land, with the Douro River running along its southern edge sandwiched between Porto ... about 200 miles north of Lisbon. Porto is known for its impressive ...

However, bringing comfortable walking shoes and a good map are good ideas regardless ... The tram rambles up and down between the Alfama district and lower Lisbon throughout the day.