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Modern marvels, seen through your eyes

By the CNN iReport Team
May 28, 2014 -- Updated 1855 GMT (0255 HKT)
The ultra-modern steel and glass Liege-Guillemins railway station in Liege, Belgium, was designed by Spanish architect Santiago Calatrava and opened in 2008. This photo was shot by <a href='' target='_blank'>Andrea Schuh</a>, a photographer in Cologne, Germany. The ultra-modern steel and glass Liege-Guillemins railway station in Liege, Belgium, was designed by Spanish architect Santiago Calatrava and opened in 2008. This photo was shot by Andrea Schuh, a photographer in Cologne, Germany.
Liege-Guillemins railway station, Belgium
L'Hemisferic planetarium, Spain
King's Cross railway station, London
Beijing's National Stadium, China
Los Angeles International Airport, USA
The Atomium, Belgium
Aldar Headquarters, UAE
Cube Houses, the Netherlands
Cayan Tower, UAE
Oriental Pearl Tower, China
The World, UAE
The Star, Singapore
Sagrada Familia, Spain
Burj Khalifa, UAE
Kuala Lumpur Tower, Malaysia
Infocentrum De Balgstuw, the Netherlands

(CNN) -- What will the cities of tomorrow look like? Decades ago, people imagined the future looking like an episode of "The Jetsons," with flying cars and buildings perched high atop stilts.

While we aren't living in space cities just yet, modern architecture has brought us a taste of the future. Futuristic buildings and space-age skyscrapers dot city skylines all over the world, like in Shanghai's ultramodern Bund district and Dubai's man-made Palm Islands.

CNN iReporters sent in their favorites from their travels, including an amazing building designed to resemble a human eyeball, an American airport icon and a bizarre circular structure that defies the imagination.

What's the most futuristic building you've seen? Send your best photos to CNN iReport!

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August 19, 2014 -- Updated 1341 GMT (2141 HKT)
LUSAIL CITY, QATAR: In this handout illustration provided by Qatar 2022, the Qatar 2022 Bid Committee today unveiled detailed plans for the iconic Lusail Stadium. With a capacity in excess of 86,000 and surrounded by water, the stadium would host the World Cup Opening Match and Final if Qatar wins the rights to stage the 2022 FIFA World Cup. If Qatar is awarded the honour of staging the 2022 FIFA World Cup, construction of the Lusail Stadium will start in 2015 and be completed in 2019. It will retain its full capacity after 2022.
Lusail City boasts a new arena, computer control and a grid of vacuum tubes.
June 20, 2014 -- Updated 1447 GMT (2247 HKT)
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Songdo International Business District, South Korea.
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