# SAGRADA FAMILIA (Church of the Sacred Family) 9 
Designed by the famous Spanish architect Antoni Gaudí (1852–1926), this large Roman Catholic church is fascinating on the outside, but certainly, the best part is the stunning colorful interior.
Construction of the Sagrada Família began in 1882 and is now approximately 70 percent finished.
Church 🌍 World Heritage Site: since 1984
by Thomas Quine / CC BY-SA 2.0
# CASA MILÀ ESPAI GAUDÍ (LA PEDRERA) 6 
Constructed between 1906 and 191 the spectacular modernist building Casa Milà, named after the businessman who commissioned it, is popularly known as La Pedrera ("the Stone Quarry", for its appearance distantly similar to an actual quarry).
Widely considered Antoni Gaudí's most famous secular building, it features a spectacular rooftop chimney park and an extraordinary structure, supported entirely by pillars.
Historic Building 🌍 World Heritage Site: since 1984
# PALAU DE LA MUSICA CATALANA 6
Famous for its spectacular interior decorated with statues and mosaics and a striking inverted stained-glass dome, this concert hall was inaugurated in 1908.
It was designed in the Catalan modernista style by the Spanish architect Lluís Domènech i Montaner, who was a contemporary of Antoni Gaudí.
Historic Building 🌍 World Heritage Site: since 1997
# PARK GÜELL 6
Commissioned by Count Eusebi Güell this splendid surrealistic park overlooking the city is one of Antoni Gaudí's most artistic works.
Inside the large park, which was built between 1900 and 1914, marvel at the colorful main staircase with its famous multicolored mosaic salamander, fanciful pavilions, statues, creative ceramic benches, and giant columned halls.
Park 🌍 World Heritage Site: since 1984 | Land Area: 0.14 km2 / 37 acres | Opened: 1926
# CASA BATLLO 6
Topped with a visionary wave-shaped roof, like that of Casa Milà, this Antoni Gaudí-designed home is one of the most characteristic Modernist buildings in the world.
Its fantastical interior is just as remarkable as its ornamental facade.
Historic Building 🌍 World Heritage Site: since 1984
by Mstyslav Chernov / CC BY-SA 3.0
# Gothic Quarter (Barri Gòtic) 6
The largely pedestrianized Barri Gòtic (Gothic Quarter) is the most beautiful of three neighborhoods in Barcelona's Old Town.
Explore the maze of steep and narrow cobbled streets, home to elegant churches, fine plazas as well as Roman and Medieval walls.
# Museu Nacional d'Art de Catalunya – MNAC 6
Situated on Montjuïc hill and housed in the impressive Palau Nacional with its striking cupola, the MNAC is Barcelona's most important museum.
It is especially notable for its outstanding collection of Romanesque (11th to 13th centuries) church murals, meticulously relocated from abandoned churches in the Pyrenees, and for Catalan art and design from the late 19th and early 20th centuries.
This is our selection of the five best paintings of the Museu Nacional d'Art de Catalunya:
1) Apse of Sant Climent de Taüll, Master of Taüll (ca.1123)
by Wikimedia / Public Domain
2) Altar frontal from La Seu d'Urgell or of the Apostles, Anonymous (la Seu d'Urgell, Catalonia) (1125-1150)
by Wikimedia / Public Domain
3) Altar frontal from Durro, Anonymous, Catalonia (mid 12th century)
4) Madonna of Humility, Fra Angelico (between 1433 and 1435)
5) Saint Peter and Saint Paul, El Greco (Doménikos Theotokopoulos) (1590-1600)
Museum Gallery Space: 10,000 m2 / 113,000 ft2 | Established: 1934 | Visitors [2014]: 718.000
by Victor Grigas / CC BY-SA 4.0
# Picasso Museum 6
While not displaying any of Picasso’s most famous paintings, this fine museum still has an impressive collection of more than 4,200 (mostly early) works, which reveal the remarkable development of his work.
The highlight of the large museum, pleasantly located in a row of five 13th and 14th-century Catalan-Gothic style palazzos in the Old Town, is the fifty-nine paintings of the "Las Meninas" series.
This is our selection of the five best paintings of the Museu Picasso:
1) The Wait (Margot), Pablo Picasso (1901)
2) Portrait of Jaume Sabartés with ruff and cap, Pablo Picasso (1939)
3) Las Meninas (group), Pablo Picasso (1957)
4) Science and Charity, Pablo Picasso (1897)
5) First Communion, Pablo Picasso (1896)
Museum Gallery Space: 13,000 m2 [139,930 ft2] | Artworks on Display: ca. 4,000 | Opened: 1963 | Visitors [2017]: 1,046,190
by 1997/ CC BY-SA 3.0
# Barcelona Cathedral 5 
Built at the end of the 13th Century, Barcelona's colossal Gothic cathedral is located in the center of the Barri Gòtic. Don't miss the chance to take an elevator in one of the chapels of the ambulatory to enjoy the spectacular view from the roof.
Cathedral Opened: 13th century
# Las Ramblas 5
This broad, tree-shaded shopping avenue in the middle of Barcelona connects the Plaça de Catalunya with the city's waterfront.
#11 | Fundació Joan Miró (Museum) 5
Fundació Joan Miró, located in Barcelona, is a museum dedicated to the renowned Spanish artist Joan Miró, showcasing his avant-garde works.
Established in 1975, the foundation houses over 14,000 pieces, including paintings, sculptures, and drawings, providing a comprehensive overview of Miró's artistic evolution.
by Kippelboy / CC BY-SA 3.0
#12 | Montjuïc 5
This historic hill in Barcelona, offers a diverse blend of cultural landmarks, including fortresses, museums, and gardens, all complemented by stunning vistas of the city.
Montjuïc is home to several iconic attractions such as the Magic Fountain, Montjuïc Castle, and the Joan Miró Foundation.
Hill and Viewpoint with Cable Car
by Txllxt TxllxT / CC BY-SA 4.0
#13 | SANT PAU ART NOUVEAU SITE 5
Sant Pau Art Nouveau Site in Barcelona, recognized as a UNESCO World Heritage Site, merges Modernisme architecture and pioneering medical facilities in its historic hospital buildings adorned with colorful mosaics.
Today, it serves as a dynamic cultural and educational center, offering guided tours and exhibitions that showcase its rich architectural heritage.
Building 🌍 World Heritage Site: since 1997
by Txllxt TxllxT / CC BY-SA 4.0
#14 | Tibidabo 5
Tibidabo is a steep hill in Barcelona, Catalonia, standing at 512 meters above sea level.
This prominent Barcelona landmark, features an amusement park, a breathtaking viewpoint, and a striking church with a towering statue of Jesu.
by Jorge Franganillo / CC BY-SA 2.0
#15 | La Boqueria Market 5
La Boqueria Market is a historic and bustling food market boasting over 200 vendors offering a diverse range of fresh produce and culinary delights, making it an essential stop for anyone seeking to experience the vibrant flavors of Catalan cuisine.
by Thingstodoinbarcelona / CC BY-SA 4.0
#16 | Aquarium Barcelona 5
The Aquàrium Barcelona, conveniently located in Port Vell, displays over 11,000 marine animals in over 35 different water basins from 450 species. Its highlight is an 80-meter-long underwater tunnel through the shark basin.
Here one can easily distinguish two types of shark, the sandbar shark, which is grey, slim and keeps its mouth closed, and the sand tiger shark, which has brown markings and always swims with its mouth open.
by Paul Hermans / CC BY-SA 3.0
#17 | Casa-Museu Amatller 5
Casa Amatller, designed by Josep Puig i Cadafalch and completed in 1900, is a prime example of modernist architecture in Barcelona, renowned for its unique facade and luxurious interior.
Inside, the house boasts exquisite stained glass, ceramic tiles, and period furniture, reflecting the modernist style.
by Elisa.rolle / CC BY-SA 3.0
#18 | Reial Monestir de Santa Maria de Pedralbes 5
The Reial Monestir de Santa Maria de Pedralbes is a 14th-century Gothic monastery in Barcelona, known for its significant medieval art collection and expansive cloister.
The monastery houses a rich collection of medieval art, including altarpieces, frescoes, and religious artifacts, reflecting its historical significance.
by Ajuntament de Barcelona / CC BY-SA 4.0
#19 | Port Olímpic 5
Port Olímpic, constructed for the 1992 Olympics, is a lively marina offering extensive berthing, dining, nightlife, and water sports facilities.
The 153-meter tall Hotel Arts Barcelona and Torre Mapfre offer a stunning view, extending over the city and sea to Mallorca on clear days.
by dronepicr / CC BY-SA 2.0
#20 | PALAU GÜELL 5
Palau Güell, a Gaudí-designed mansion in Barcelona built for Eusebi Güell, showcases innovative architecture and is part of a UNESCO World Heritage Site.
The interior is adorned with luxurious materials like marble, wood, and stained glass. Palau Güell includes a striking rooftop with twenty chimneys, each uniquely decorated.
Historic Building 🌍 World Heritage Site: since 1984 (Part of: "Works of Antoni Gaudí.")
by Balou46 / CC BY-SA 3.0
Santa Maria de Montserrat Abbey 6 
Santa Maria de Montserrat Abbey, founded in the 11th century, is a Benedictine monastery in Catalonia, famous for the Black Madonna, its choir, and its cultural and spiritual significance.
Montserrat is accessible via a scenic cable car ride, adding to the allure of visiting the abbey.
Monastery Distance from Barcelona: 61 km
by Richard Schneider / CC BY-SA 3.0
Sitges 5 
Just a short train ride away, Sitges boasts sun-kissed beaches and a vibrant cultural scene.
Its historical center features charming narrow streets, whitewashed buildings, and the iconic Church of Sant Bartomeu i Santa Tecla.
Monastery Distance from Barcelona: 61 km
by Dessources / CC BY-SA 4.0