The Sagrada Familia ('The Holy Family') is a massive Roman Catholic basilica under construction in Barcelona. Construction began in 1882 and its formal title is Temple Expiatori de la Sagrada Família.

The Casa Milà, better known as La Pedrera (Catalan for 'The Quarry'), is a building designed by the architect Antoni Gaudí and built during the years 1905–1910, being considered officially completed in 1912.

The Casa Batllo is a building restored by Antoni Gaudí and Josep Maria Jujol, built in the year 1877 and remodelled in the years 1905–1907; located at 43, Passeig de Gràcia, part of the Illa de la Discòrdia in the Eixample district of Barcelona, Catalonia.

The Park Guell is a 12 hectares wide garden complex with architectural elements situated on the hill of el Carmel in the Gràcia district of Barcelona, Spain. It was designed by the Catalan architect Antoni Gaudi and built in the years 1900 to 1914.

The Cathedral of Santa Eulàlia (also called La Seu) is the Gothic cathedral seat of the Roman Catholic Archbishop of Barcelona, Catalonia (Though sometimes inaccurately so called, the famous Sagrada Família is not a cathedral).

The Basilica de Santa Maria del Mar is one of the most representative examples of Catalan Gothic architecture, it features a sombre but beautiful interior. The upsweeping verticality and lightness of the interior are especially surprising.

The Barcelona Rambla is a street in central Barcelona, popular with both tourists and locals alike. A 1.2 kilometer-long tree-lined pedestrian mall in the Barri Gòtic, it connects Plaça Catalunya in the center with the Christopher Columbus monument at Port Vell.

The Plaça Sant Felip Neri, one of the most romantic squares in Barcelona, hides a dark history in that it was built over the city's old cemetery. Barcelona's most famous architect, Antonio Gaudi, was on his way to visit the church there when he was run over and killed in 1928.

The Gothic shipyard of the city. During the 14th century, the Aragó Crown was the most important power in the Mediterranean Sea, and this was the main place where the ships where built. Nowadays is the Museum of the sea, and it's worth a visit more for the architectonic structure.

The Palau de la Musica Catalana (Palace of Music), opened in 1908, is one of the most important works of Barcelona art nouveau. The architect commissioned for the job was Lluis Domenech i Montaner, one of the greatest exponents of Catalan Modernismo.

The old harbour, Barcelona's Port Vell, which stretches from the Columbus Monument to the Barceloneta, offers endless possibilities to enjoy your leisure time, such as Imax, Aquàrium or Maremàgnum, amongst others.

The Plaça del Rei, a square next to the Cathedral, is known because has two important buildings, the Santa Àgata church, where the kings from the Aragon crown had baptism. Is possible to visit it. The other building has the Saló del Tinell.

The Casa Vicens is a family residence in Barcelona, designed by Antoni Gaudí and built for industrialist Manuel Vicens. It was Gaudí's first important work. It was added to the UNESCO World Heritage Site "Works of Antoni Gaudí" in 2005.

The Palau Güell is a town mansion (translated literally a "palace") in Barcelona, designed by the Catalan architect Antoni Gaudí for the Catalan industrial tycoon Eusebi Güell. It is part of the UNESCO World Heritage Site "Works of Antoni Gaudí".

Founded in 1847 on Barcelona's La Rambla, the Gran Teatre del Liceu is an opera house that has retained its role as a culture and arts centre throughout its history and one that represents one of the symbols of the city.

A church stood on this site as long ago as the 5th century but the current Basilica of Santa Maria del Pi was built between 1319 and 1391, in the Catalan Gothic style. It comprises a single nave, with side chapels between buttresses.

The Casa Amatller is a building in the Modernisme style in Barcelona, designed by Josep Puig i Cadafalch. Along with Casa Batlló and Casa Lleó-Morera, it makes up the three most important buildings in Barcelona's famous Illa de la Discòrdia (Block of Discord).

The Hospital de Sant Pau (Hospital of the Holy Cross and Saint Paul) in the neighborhood of El Guinardó, Barcelona, is a complex built between 1901 and 1930, designed by the Catalan modernist architect Lluís Domènech i Montaner. It is a UNESCO World Heritage Site.

Born avenue goes from the Santa Maria del Mar church to the Born market and is where the legendary jousting matches of the Middle Ages took place, as well as numerous fairs and marches. This is also where men were knighted. It is a really old street, very wide for the time.

The Sant Jaume Square has been the political hub since the Roman era. This square has been witness to some of the most important events in recent Catalan history, such as the proclamation of the Catalan State in 1931. At one end there is the Palace of the Generalitat.

The Museu Picasso (Picasso Museum) has one of the most extensive collections of artworks by the 20th century Spanish artist Pablo Picasso. This is one of the most popular and most visited museums in Barcelona.

Carrer Montcada, near Carrer Princesa, in the Born quarter. This street has the biggest collection of Gothic houses in Barcelona. In amongst these houses is the Picasso Museum, which is definitely worth a visit.

The Plaça Reial, next to La Rambla is famous for the nightlife and the uniform architecture. It is considered to be one of the most beautiful squares in the world. It was build during the XIX century in the place of a monastery, after the Mendizábal law expelled the monks.

The Museu Frederic Mares is a unique collecting museum that preserves the collections assembled by its founder, sculptor Frederic Marès (1893-1991), which came to form part of the patrimony of the city of Barcelona through his donation in 1946.

The Centre de Cultura Contemporània de Barcelona is a museum adjacent to the Barcelona Museum of Contemporary Art (MACBA). The building is a mixture of old and new styles, dating from 18th century up to recent renovation of a facade in the Plaça de les Dones.

The Barcelona Museum of Contemporary Art is situated in the Plaça dels Àngels, in El Raval, Ciutat Vella. The museum opened to the public on November 28, 1995. The permanent collection dates from the mid-20th century onward.

The Casa Lleó Morera is a building designed by noted modernisme architect Lluís Domènech i Montaner, located at Passeig de Gràcia 35 in the Eixample district of Barcelona.

The most well-known public market in the city is the Mercat de Sant Josep de la Boqueria, or simply La Boqueria. Located along the La Rambla, Barcelona in the heart of the city,

The Museu Nacional d'Art de Catalunya is a museum of Catalan visual art located in the Palau Nacional, built for the 1929 World's Fair.

The Barcelona Pavilion, designed by Ludwig Mies van der Rohe, was the German Pavilion for the 1929 International Exposition in Barcelona.

The Poble Espanyol was built in 1929 for the Barcelona International Exhibition as the pavilion dedicated to art. It is one of the few monuments that belonged to an International Exhibition that can still be visited.