Barcelona is a city where every corner reveals a stunning piece of architecture. From modernist masterpieces to medieval gems and cutting-edge designs, its streets are filled with landmarks that tell the story of its vibrant culture.
The most iconic buildings in Barcelona you can’t miss
If you’re planning your trip, here’s a guide to the most iconic buildings in Barcelona that you simply cannot miss. Whether you’re passionate about architecture or just love exploring new places, these sites offer something special for every visitor.
1. Sagrada Familia
No list of buildings in Barcelona would be complete without mentioning the famous church in Barcelona: the Sagrada Familia. Designed by Antoni Gaudí, this breathtaking basilica has been under construction since 1882 and is a symbol of the city.
The intricate façades and soaring towers are rich with symbolism, while the interior, flooded with colorful light from the stained-glass windows, creates a magical atmosphere. The experience of stepping inside feels like walking through a stone forest.
Tip: Hop off at the Sagrada Familia stop of the sightseeing bus for easy access.
Want to skip the lines? Book a guided tour of Sagrada Familia with a fast-track entry for an even better experience.
2. Casa Batlló
One of the most famous Gaudí buildings in Barcelona, Casa Batlló is an architectural wonder located on Passeig de Gràcia. Its colorful, wavy façade, inspired by marine life, is instantly recognizable.
Inside, you’ll find curved walls, stained glass, and a rooftop adorned with whimsical chimneys and a scaly spine-like structure that represents a dragon. This is one of the finest examples of Gaudí architecture in Barcelona.
Discover its hidden secrets by booking your ticket here: visit Casa Batlló.
3. La Pedrera (Casa Milà)
Another masterpiece by Antoni Gaudí, La Pedrera, also known as Casa Milà, is famous for its undulating stone façade and wrought-iron balconies. It’s a true icon of Gaudí architecture in Barcelona and a UNESCO World Heritage Site.
The rooftop is particularly striking, with its surreal chimneys and panoramic city views. Inside, you can explore the original apartments and learn about Gaudí’s creative process and innovative techniques.
4. Catedral de Barcelona
Located in the heart of the Gothic Quarter, the Catedral de Barcelona (Cathedral of the Holy Cross and Saint Eulalia) is a magnificent example of Gothic architecture.
Its grand neo gothic façade, serene cloister with 13 white geese, and impressive interior make it one of the most important religious buildings in the city. For an extra treat, climb to the rooftop for sweeping views of the old town.
5. Hospital de Sant Pau
Less known but equally impressive, the Hospital de Sant Pau is a stunning modernist complex designed by Lluís Domènech i Montaner. Once a working hospital, it’s now a UNESCO World Heritage Site and a cultural center.
Its colorful mosaics, stained glass, and lush gardens create a peaceful setting. Walking through its underground tunnels and beautifully decorated pavilions is like stepping into a different era of Barcelona’s history.
6. Basílica de Santa María del Mar
Known as the “Cathedral of the Sea,” the Basilica of Santa Maria del Mar is one of Barcelona ‘s finest examples of Gothic architecture.
Located in the charming El Born district, it has a serene yet majestic atmosphere. Its wide, open interior and towering columns create an airy space flooded with light. You can also climb up to the terraces for scenic views of the old city streets.
7. Museo Nacional de Arte de Cataluña (MNAC)
Perched on Montjuïc hill, the Museu Nacional d’Art de Catalunya (MNAC) stands out for both its architectural grandeur and its impressive art collections.
Housed in the Palau Nacional, originally built for the 1929 International Exhibition, the MNAC features Romanesque, Gothic, and modern art. From its grand steps and terrace, you’ll get one of the best panoramic views of the city, overlooking the Magic Fountain of Montjuïc.
Tip: Hop on the Orange Route of Barcelona City Tour and hop off at the MNAC stop to explore the museum and enjoy its stunning views.
8. Palau de la Música Catalana
The Palau de la Música Catalana is a hidden gem of Barcelona’s modernism movement and one of the most beautiful concert halls in the world. Designed by Lluís Domènech i Montaner, it’s a celebration of color, music, and craftsmanship.
Its ornate façade is adorned with intricate sculptures and mosaics. Inside, the main auditorium features an iconic stained-glass skylight, allowing natural light to flood the space in a kaleidoscope of colors. This venue is an essential stop for culture lovers.
9. Torre Agbar
For a taste of contemporary Barcelona, visit Torre Glòries. Designed by Jean Nouvel, this futuristic skyscraper is a standout in the city’s skyline thanks to its bullet-shaped silhouette and colorful glass panels.
At night, the building comes alive with dynamic LED lighting displays. Today, it houses offices, a co-working space, and a 360-degree observation deck offering panoramic city views—an excellent spot to admire Barcelona city buildings from above.
Ready to explore these architectural gems?
Hop on the Barcelona City Tour sightseeing bus and discover these iconic landmarks comfortably, with multilingual audio guides and the flexibility to hop on and off at key locations.
👉 Plan your route and book your tickets on our website: Barcelona City Tour!
