51. At 387 feet, Scandic Victoria Tower — designed by architect Gert Wingårdh — is the tallest building in Stockholm. The tower's stunning facade, made up of mismatched mirrors, reflects the sky.
49. Neue Nationalgalerie in Berlin conceived by German architect Ludwig Mies van der Rohe in the 1960s has a Modernist design with clean lines and plenty of glass to allow light in.
48. Station Arnhem in the Netherlands was transformed in 2015. Its swanky new transfer hall has a contemporary feel, supported by twisting steel columns.
47. Holmenkollen Ski Jump in the village of Holmenkollen, just outside Oslo, isn't just for brazen skiers to jump off — the stainless steel structure also offers spectacular city and fjord views from a platform at the top.
45. The beautifully designed Svalbard Global Seed Vault, on the Norwegian island of Spitsbergen, stores hundreds of thousands of seeds, with the aim of protecting them in the event of a global apocalypse.
35. Made out of glass, limestone, and titanium, Frank Gehry's Guggenheim Bilbao in Spain shimmers in the sunlight.
Cesar Serrano
34. Aula Medica, an auditorium complex at Sweden's Karolinska Institute, is an imposing, leaning tower with multicoloured, triangle panels echoing its flat-iron shape.
29. Designed by the architect Colin St John Wilson, the Grade I-listed British Library is home to the world's largest collection of books — and a stunning, sleek interior made up of wavy staircases and sharp lines.
28. Zaha Hadid's extension of the Ordrupgaard Museum near Jægersborg Dyrehave in Denmark is encased in black lava concrete, which changes colour from gray to black depending on the weather.
27. The Pompidou Centre in Paris, designed by Richard Rogers and Renzo Piano, contains a modern art museum, a music centre, and a well-stocked public library.
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26. The Clyde Auditorium, or "The Armadillo," in Glasgow is the most stylish place to enjoy a concert north of the border.
24. The curved structure of the wine museum La Cité du Vin, designed by XTU Architects in Bordeaux, France, evokes the shape of a vine, wine glass, and other wine-related motifs.
23. Unlike most skyscrapers, the 256-foot and 344-foot-tall towers of Bosco Verticale (which translates to "vertical forest") in Milan are adorned with greenery, decorated with more than 700 trees and 90 types of plants.
22. It's not hard to see what makes Alhambra — a historic palace/fort in Granada, Spain, that's an ode to the country's Moorish past — a World Heritage Site.
21. Completed in 2010 by the firm WAM Architecten, the four-star Inntel Hotel in Amsterdam looks more like a LEGO structure than a pile of houses stacked on top of one another.
20. The shops nestled into the Ponte Vecchio arch bridge in Florence, Italy, were once home to butchers shops but are now occupied by souvenir-sellers.
17. Among London's most beautiful buildings, St. Pancras Renaissance Hotel and King's Cross Clocktower stand out on Euston Road thanks to their striking Gothic Revival facade, designed by the architect George Gilbert Scott.
15. The €164 million (about £137 million) HARPA Concert Hall in Reykjavik, Iceland, cuts through the country's harsh climate with sharp diagonal lines.
8. The Palace of Italian Civilisation, nicknamed the "Square Colosseum," is one of Rome's more simple yet subtly beautiful buildings. Today, the building serves as the headquarters of the designer Fendi.
5. Temppeliaukio Church in the Finnish capital of Helsinki was built into a rock by architect brothers Timo and Tuomo Suomalainen before opening in 1969.
3. The 118-foot-tall zinc roof on the glass-fronted Riverside Museum, designed by Zaha Hadid, makes a startling impression on the shore of the Clyde River in Glasgow.
2. The exterior of Gare do Oriente, a train station in Lisbon designed by the Spanish architect Santiago Calatrava, is made up of spires and large, skeleton-like wings.
1. The Lutheran Hallgrímskirkja in Reykjavík is the largest church in Iceland. The design — by state architect Guðjón Samúelsson — represents the flowing lava of Iceland’s active volcanoes.
Will is a features writer at Business Insider UK.Before Business Insider, Will worked at CNN. He's a recent graduate in philosophy from the University of Cambridge.
Chloe Pantazi was the Lifestyle Deputy Editor at Business Insider, overseeing the site's beauty, style, food, travel, home, and royals content.She holds a master's in Journalism from NYU, and a bachelor's in English Literature from Queen Mary, University of London.Born in London, she currently lives in Philadelphia.
