Here are some interesting sights to see in Barcelona that shouldn't be missed:

• Barrio Gótico - the Gothic quarter with its Roman buildings and narrow winding streets that offers a variety of tapas bars and cafes.
• Las Ramblas - the 2 km-long boulevard is famous for its cafes, street theatres, stores, galleries, fruit and flower stands, living statues and acrobats.
• El Puerto - the Port of Barcelona is very interesting to see and offers a breathtaking view of the city from the top of the Columbus tower.
• El Ensanche - this part of Barcelona contains the luxurious bourgeois district and many famous monuments created by Antoní Gaudi, such as Park Güell and the Sagrada Familia Cathedral.
• Montjuïc - the impressive hill overlooks the city center and attracts many visitors with its botanical gardens and interesting museums.
• Tibidabo - this 350-meter-high summit of a mountain hosts the most famous amusement park in all of Europe, apart from one of the best views of Barcelona.
• Parc de la Ciutadella - this park is filled with all sorts of plant species, as well as interesting sites and monuments, such as the Barcelona Zoo, the Museum of Natural Sciences, the Catalan Parliament and a monumental fountain.
• Antonio Gaudí's Barcelona - the modernist Spanish architect constructed the Parc Güell, the Sagrada Familia cathedral, Bellesguard, the Casa Batlló and many more monuments in Barcelona.