What is a basilica, and which are the most breathtaking basilicas around the world that you absolutely must visit? Explore them now with Mytour Vietnam!
In the journey of exploring the world, grand and magnificent architectural structures always captivate travelers. Among these, basilicas—symbols of faith and art—hold a special place.
The towering spires and dazzling frescoes of basilicas stand as powerful testaments to the greatness of architecture and art. Not only are they sacred places of worship, but they are also invaluable treasures of history, culture, and art, attracting visitors from all corners of the globe.
What Is a Basilica?

A basilica, derived from the Latin and Italian word 'basilica,' is a special honorary title bestowed by the Pope upon churches or sanctuaries with exceptional historical, spiritual, and architectural significance.
Unlike ordinary churches, basilicas are distinguished by their special rituals and significance within the Catholic Church. Basilicas are categorized into two types: major basilicas and minor basilicas.
Major basilicas include the four churches in Rome, while the remaining basilicas are classified as minor. Today, there are over 1,800 basilicas worldwide, each showcasing architectural and artistic grandeur and serving as a destination for visitors and pilgrims alike.
Basilica - The Remarkable Architecture of Basilicas

The architecture of basilicas harmoniously blends ancient Roman traditions with religious symbolism. Originally, basilicas were Roman public buildings used for political and legal activities. Their design typically features a rectangular layout, with a central nave flanked by two or more side aisles.
Today, most basilicas are designed in the shape of a cross, symbolizing the sacrifice of Jesus, and consist of three main sections: the narthex, the nave, and the sanctuary. The narthex serves as an entryway, the nave is where congregants gather for worship, and the sanctuary houses the main altar, serving as the focal point of the basilica.
Inside basilicas, priceless treasures such as relics of martyrs, saints, significant figures, or valuable Catholic artworks are often preserved.
Now, let’s explore the majestic beauty and hidden stories behind some of the world’s most famous basilicas!
1. St. Patrick’s Cathedral in Dublin, Ireland

Located in the heart of Dublin, St. Patrick’s Cathedral is a must-visit cultural and historical landmark. With a history spanning over 800 years, this cathedral is not only a source of pride for locals but also a captivating destination for visitors, offering profound cultural and spiritual significance.
When visiting the cathedral, guests can admire priceless artworks, listen to literary excerpts by Dean Jonathan Swift, and enjoy performances by the renowned choir. The Christmas celebrations at the cathedral are an unforgettable experience not to be missed.
St. Patrick’s Cathedral in Dublin, Ireland
- Address: St Patrick's Close, Dublin, D08 H6X3, Ireland
2. Hagia Sophia Basilica in Istanbul, Turkey

Hagia Sophia Basilica is one of the world’s most remarkable Byzantine architectural masterpieces. With a history spanning over 1,500 years, this structure has witnessed numerous historical events and undergone multiple reconstructions.
Today, Hagia Sophia remains a major tourist attraction, celebrated for its unique architectural, cultural, and religious significance. Visitors can admire its intricately decorated domes, ancient mosaics, and explore the building’s transformation through different historical periods.
Hagia Sophia Basilica in Istanbul, Turkey
- Address: Sultan Ahmet, Ayasofya Meydanı No:1, 34122 Fatih/İstanbul
3. Siena Cathedral in Siena, Italy

Renowned for its Romanesque and Gothic architecture, Siena Cathedral stands as one of Italy’s most famous religious landmarks. Inside, visitors can marvel at exquisite sculptures and paintings from the 13th to the 17th centuries, including works by Nicola Pisano, Donatello, and Michelangelo.
Highlights include the Piccolomini Library with its unique frescoes, the Opera Museum housing priceless artworks, and the cathedral’s rooftop offering panoramic views of the picturesque city of Siena. With its timeless architectural beauty and artistic value, Siena Cathedral is a must-visit destination.
Siena Cathedral in Siena, Italy
- Address: Piazza del Duomo, 8, 53100 Siena SI
4. The Pantheon in Rome, Italy

As one of the most iconic structures of ancient Rome, the Pantheon attracts millions of visitors annually. Built in the 2nd century AD, this architectural marvel features a massive dome with a 27-foot-wide oculus, serving as the sole source of light illuminating its interior.
Additionally, visitors can explore the Piazza della Rotonda outside, featuring an Egyptian obelisk and a grand fountain, or admire the stunning statues and inscriptions inside the church. With over 2,000 years of history and rich cultural significance, the Pantheon is a must-visit destination when traveling to Rome.
The Pantheon in Rome, Italy
- Address: Piazza della Rotonda, 00186 Roma RM, Italy
5. St. Peter’s Basilica in Vatican City, Italy

St. Peter’s Basilica in Vatican City is one of the world’s most magnificent religious structures. With its Renaissance and Baroque architectural beauty, this basilica serves as a central hub for Catholicism.
Beyond exploring the main nave, visitors can admire iconic sculptures like Michelangelo’s Pietà or climb the bell tower for breathtaking views of Vatican City and Rome. Alternatively, you can explore the Vatican Museums, the Sistine Chapel, or the stunning Vatican Gardens.
St. Peter’s Basilica in Vatican City, Italy
- Address: Piazza San Pietro, 00120 Città del Vaticano, Vatican City
6. St. Mark’s Basilica in Venice, Italy

St. Mark’s Basilica, located in Venice’s Piazza San Marco, is one of Europe’s most splendid religious structures. With its exquisite blend of Byzantine and Gothic styles, it attracts countless visitors each year.
In addition to exploring the main nave, visitors can join tours of nearby museums, such as the Doge’s Palace and the Marciana Library. These sites not only hold religious significance but also reflect the wealth and power of the former Venetian Republic.
St. Mark’s Basilica in Venice, Italy
- Address: P.za San Marco, 328, 30100 Venezia VE
7. Basilica Papale di Santa Maria Maggiore in Rome, Italy

Nestled in the heart of ancient Rome, the Basilica Papale di Santa Maria Maggiore stands as a treasure trove of architecture and art. Built in the 5th century, it is the oldest surviving basilica in Rome and boasts stunning medieval mosaics.
The vibrant walls, marble columns, and intricately decorated dome will leave you in awe. Beyond admiring the architecture, visitors can explore the museum exhibitions and nearby landmarks like the Quirinal Palace.
Basilica Papale di Santa Maria Maggiore in Rome, Italy
- Address: P.za di Santa Maria Maggiore, 00100 Roma
8. Milan Cathedral (Duomo di Milano) in Milan, Italy

Milan Cathedral, or Duomo di Milano, is one of Europe’s most remarkable Gothic architectural masterpieces waiting to be explored. With over 3,000 intricate statues and decorations, this cathedral is a must-visit destination when traveling to Milan.
From the cathedral’s rooftop, you can enjoy panoramic views of the city and the majestic Alps. Visiting the cathedral’s museum to delve into its history and architectural artistry is a rewarding experience. Additionally, you can explore nearby landmarks like the San Gottardo Church, Piazza Duomo, and other historical sites.
Milan Cathedral (Duomo di Milano) in Milan, Italy
- Address: P.za del Duomo, 20122 Milano
9. Basilica of the Sagrada Familia in Barcelona, Spain

The Basilica of the Sagrada Familia in Barcelona is a masterpiece by the architectural genius Antoni Gaudí. Recognized as a UNESCO World Heritage Site, it is regarded as one of the largest and most beautiful Catholic churches in the world.
With its three stunning facades, visitors can explore the intricate and elaborate sculptures. Additionally, those seeking a spiritual experience can attend regular masses held within the church. With its timeless architectural beauty and profound spiritual significance, the Sagrada Familia is a must-visit destination in Barcelona.
Basilica of the Sagrada Familia in Barcelona, Spain
- Address: Eixample, 08013 Barcelona
10. St. Patrick’s Cathedral in New York, USA

Located in the heart of New York City, St. Patrick’s Cathedral is an iconic religious landmark. Built in a stunning Gothic style, the cathedral occupies an entire city block and features numerous intricate sculptures.
Each year, over 5.5 million visitors come here to attend masses, seek spiritual solace, or simply admire the breathtaking architectural beauty. Beyond being a religious destination, the cathedral hosts numerous musical programs and serves as the venue for New York’s three most important festivals—Christmas, St. Patrick’s Day, and Easter.
St. Patrick’s Cathedral in New York, USA
- Address: 5th Ave, New York
11. St. Stephen’s Basilica in Budapest, Hungary

St. Stephen’s Basilica is one of Budapest’s most prominent landmarks, featuring impressive Neoclassical architecture. Built in 1851 and undergoing several renovations, this basilica has become a must-visit attraction for travelers to the city.
Visitors can explore the basilica’s historical and religious significance, including Hungary’s largest bell and the relics of St. Stephen. Additionally, the observation tower at the top offers panoramic views of Budapest. With its architectural splendor and year-round cultural events, St. Stephen’s Basilica is a must-see destination when visiting Hungary.
St. Stephen’s Basilica in Budapest, Hungary
- Address: Budapest, Szent István tér 1, 1051 Hungary
12. Basilica of Our Lady of Guadalupe - Mexico

A cultural and spiritual symbol of Mexico, the Basilica of Our Lady of Guadalupe is a must-visit destination for travelers to Mexico City. Built in the northern part of the capital, it is believed to be the site where the Virgin Mary appeared to a local resident in 1531.
Here, visitors can admire the revered image of the Virgin Mary housed inside, as well as participate in traditional religious ceremonies during major festivals like the Feast of Our Lady of Guadalupe on December 12th each year. Additionally, you can explore areas within the complex, such as the religious art museum, and marvel at the basilica’s unique architecture.
Basilica of Our Lady of Guadalupe - Mexico
- Address: Fray Juan de Zumárraga No. 2, Villa Gustavo A. Madero, Gustavo A. Madero, 07050 Ciudad de México
13. Cathedral of Santa Maria of Mallorca in Spain

Built in the 13th century in a magnificent Gothic style, the Cathedral of Santa Maria of Mallorca attracts visitors not only for its architectural beauty but also for its rich cultural and religious heritage.
You can admire the cathedral’s exterior beauty, explore the museum inside housing precious artworks, or climb to the rooftop for panoramic views of Palma. Additionally, visitors can enjoy special light and color displays from the rose window during significant religious events.
Cathedral of Santa Maria of Mallorca in Spain
- Address: Plaça de la Seu, s/n, Centre, 07001 Palma, Illes Balears
14. Basilica of Saint Denis in Paris, France

Located in the suburbs of Paris, the Basilica of Saint Denis was built in the 12th century, becoming the world’s first Gothic structure. Its main attraction is the collection of over 100 tombs of French kings and royalty, including members of the Bourbon dynasty and Napoleon.
Visitors can explore the building’s striking beauty, visit the museum housing valuable artifacts, or take a leisurely stroll along the Saint-Denis canal. Additionally, the area surrounding the basilica is bustling with cafes and restaurants, offering a glimpse into the Parisian way of life.
Basilica of Saint Denis in Paris, France
- Address: 1 Rue de la Légion d'Honneur, 93200 Saint-Denis
15. Basilica of Sacre Coeur in Paris, France

Perched atop Montmartre Hill in Paris, the Basilica of Sacré-Cœur stands out as an impressive Roman-Byzantine architectural masterpiece. Its exterior features stunning white domes, while the interior exudes solemnity with its magnificent mosaic artworks.
Visitors can enjoy breathtaking views of Paris from the basilica’s observation deck. The surrounding area is also home to popular attractions like Place du Tertre, the Dali Museum, and traditional cafes.
Basilica of Sacré-Cœur in Paris, France
- Address: 35 Rue du Chevalier de la Barre, 75018 Paris
Exploring majestic basilicas is not just a journey to admire architectural beauty but also an opportunity to delve into the history, culture, and art of humanity. Each basilica tells a story, holds a treasure trove of knowledge, and stands as a testament to human creativity and faith.
Are you excited to plan a European trip to explore these impressive religious landmarks? Don’t forget to check out useful travel tips and information on Mytour Blog: Europe Travel Guide, Europe Train Travel, Top European Destinations, How to Use Eurail Pass, UK Travel Tips, 10-Day France Itinerary, Switzerland Travel Spots, Schengen Visa Guide, Swiss Travel Pass,...
Which basilica will be the next destination on your exploration journey?