1. Taj Mahal – Agra, India
Style: Mughal architecture
Completed: 1653
The Taj Mahal is perhaps the most iconic example of architectural beauty in the world. Built by Emperor Shah Jahan in memory of his wife Mumtaz Mahal, this white marble mausoleum is a symbol of eternal love. Intricate inlay work, perfectly symmetrical gardens, and a majestic dome that reflects different colors depending on the time of day make it a visual and emotional masterpiece.
✅ Why you must see it: It’s a UNESCO World Heritage Site and widely considered one of the “New Seven Wonders of the World.”
2. Sagrada Família – Barcelona, Spain

Style: Catalan Modernism / Gothic Revival
Designed by: Antoni Gaudí
Construction began: 1882 (still under construction)
One of the most unique churches in the world, the Sagrada Família fuses natural forms, religious symbolism, and surrealist aesthetics. Gaudí’s intricate designs and ambitious use of geometry and light create a truly spiritual and surreal experience for visitors. Every angle reveals a new, dream-like detail.
✅ Why you must see it: There’s simply nothing else like it on Earth — a surreal blend of faith, nature, and imagination.
3. Palace of Versailles – Versailles, France
Style: French Baroque
Completed: Late 17th century
The Palace of Versailles is the epitome of opulence and grandeur. Once the royal residence of Louis XIV, it boasts dazzling halls, lush gardens, golden fountains, and artistic ceilings. The Hall of Mirrors alone, with its 357 mirrors reflecting sunlight from its grand windows, is breathtaking.
✅ Why you must see it: It’s a powerful visual and cultural symbol of royal extravagance and French classical art.
4. Sydney Opera House – Sydney, Australia
Style: Expressionist modern architecture
Completed: 1973
Architect: Jørn Utzon
Few modern buildings are as instantly recognizable as the Sydney Opera House. Its sail-like structure by the harbor is a marvel of design and engineering. It’s not just beautiful — it’s also one of the busiest performing arts centers in the world.
✅ Why you must see it: It blends modern architecture with natural surroundings and has become a symbol of Australia.
5. Saint Basil’s Cathedral – Moscow, Russia
Style: Russian Orthodox / Byzantine
Completed: 1561
Located on Moscow’s Red Square, Saint Basil’s Cathedral looks like something out of a fairytale with its colorful onion domes and whimsical shapes. Built by Ivan the Terrible, its vibrant colors and bold design have made it one of the most photographed buildings in the world.
✅ Why you must see it: Its bold colors and unique architecture make it a visual feast and a powerful symbol of Russian history.
6. Petra – Al-Khazneh (“The Treasury”), Jordan

Style: Nabatean rock-cut architecture
Completed: Around the 1st century AD
Carved directly into rose-colored rock, Petra’s most iconic structure, The Treasury, is an ancient marvel. The entire city of Petra, often called the “Rose City,” is full of stunning tombs and temples carved into cliffs, creating a surreal, ancient atmosphere.
✅ Why you must see it: It’s one of the most breathtaking examples of ancient architecture and has a mystical, timeless quality.
Honorable Mentions:
- Burj Khalifa (Dubai) – World’s tallest skyscraper.
- Fallingwater (USA) – Frank Lloyd Wright’s masterpiece in harmony with nature.
- Hagia Sophia (Istanbul) – Blending Christian and Islamic design over centuries.
- The Shard (London) – A glass-clad icon of modern architecture