Have a walk around this area and admire the architecture and narrow streets.

If I had to choose one singular and authentic bar in Barcelona, I'll say "Mendizábal". This is not a fancy bar, and that's what I love of Mendizábal. But it doesn't mean it isn't a cute one with a beautiful decoration and good prices. They have a two very differentiated spaces: one privileged terrace in the city center, and the interior salon. Them both are awesome, and it's perfect because you can decide which one fits better with the situation. They do tapas, sandwich, juices, burgers and veggi burgers. In my opinion, they have the best vegetarian sandwich offer in town. But the most important, you can leave the bar without eating their "patatas bravas"

Contemporary Museum

old catalan tapas bar

If you want to see a wonderful view of the entire city, without being surrounded by people, this is the perfect place. It is also a very charming place, was a former anti-aircraft bunker during the Spanish Civil War, is pretty dilapidated but retains the essential structure.