One word of caution: Lisbon's Tram 28 and the Santa Justa ... The metro's four color-coded lines serve 55 stations. The metro operates every day from 6:30 a.m. to 1 a.m. Trains run every 6 to ...

Lisbon is among the easiest cities in Europe ... should try it at the hole-in-the-wall A Ginjinha near the Rossio metro station. Discerning foodies in the know also rave about the city's Chinese ...