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Atomium - Brussels - This impressive structure was built in 1958 for that year's Brussels World's Fair.

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Eden Project - United Kingdom - These domes were made to house miniature versions of all the climates that can be found on planet Earth.

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The Cube Houses - Rotterdam, Netherlands - The goal is for the houses to look like trees and create the illusion of an urban forest.

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Montreal Biosphère - Canada - The biosphere was constructed for the Expo 67 by the US Government. Although it was supposed to be temporary, it is still standing today.

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The Basket Building - Ohio, United States - The Longaberger Company produces baskets. Their headquarters are quite fitting - a building in the shape of a basket.

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Cayan Tower - Dubai - This incredible skyscraper in the United Arab Emirates took seven years to be completed. It was started in 2006 and finished in 2013.

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Habitat 67 - Montreal, Canada - This apartment complex was built for the Expo 67 and is now a residential area.

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Cathedral of Brasília - Brazil - This impressive structure weighs 90 tons and includes 16 concrete columns. It was the first monument created in Brasília. 

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The Hole House - Texas, United States - Two houses slated for demolition were turned into a work of art for a few months that became known as The Hole House.

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Chapel of the Holy Cross - Arizona, United States - The chapel in the rocks was voted to be included as one of the Seven Man-Made Wonders of Arizona in 2007.

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Kansas City Public Library - Missouri - The building exhibits 22 book titles chosen by Kansas city residents. 

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National Library of Belarus - This is without a doubt one of the most unique libraries in the world. It is one of Minsk's main attractions and includes an observatory overlooking the entire city.

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House Attack - Vienna, Austria - This building was created by Austrian artist Erwin Wurm for the sole purpose of attracting attention. 

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Hallgrímskirkja - Reykjavik, Iceland - The architecture of the church was supposedly designed to imitate the flow of lava in Iceland.

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Atlantis Hotel - Dubai - The luxury resort was constructed on one of the various artificial islands in Dubai.

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Wonderworks - Pigeon Forge, United States - This science museum is an upside-down building.

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Waldspirale - Darmstadt, Germany - Here you can find more than 1000 windows and none of them have the same shape!

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Stone Castle - Fafe, Portugal - This house was built between 1972 and 1974 by a Portuguese family who wanted to fulfill their dream of owning a house in the country.

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Edifício Mirador - Madrid, Espanha - This Spanish structure was built by a Dutch architecture company, called MVRDV. The enormous hole in the middle attracts the most attention.

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Ryugyong Hotel - Pyongyang, North Korea - Often seen as one of the ugliest buildings in the world, the structure is also known as the 105 Building in reference to the number of floors it has.

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Elephant Building - Bangkok, Thailand - It is one of the most well-known buildings in the city and often seen as one of the most iconic skyscrapers in the world.

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Castel Meur - Plougrescant, France - Houses located among rocks seem to be the new trend. This tourist attraction is fantastic. 

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Krzywy Domek - Sopot, Poland - This small shopping center was built in 2004 and designed by Szotyńscy & Zaleski. They were inspired by illustrations by Jan Marcin Szancer and Per Dahlberg.

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Sanzhi UFO Houses - Sanzhi, Taiwan - They were originally built to shelter American soldiers in East Asia, but the project was abandoned in 1980 and the houses were demolished in 2008.

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Lotus Temple - New Delhi, India - The Bahá'í House of Worship was built in 1986 and has won many architecture awards.

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Odeillo solar furnace - Odeillo, France - The building was built in 1969 for the purpose of scientific research and is used for studying materials at high temperatures.

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Walt Disney Concert Hall - Los Angeles, United States - One of the most well-known structures in the world was designed by famous architect Frank Gehry. It took 16 years (1987-2003) to build.

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Air Force Chapel - Colorado, United States -

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Turning Torso - Malmö, Sweden - This skyscraper was created by famous architect Santiago Calatrava, based on the form of a twisting human torso.

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Royal Ontario Museum - Toronto, Canada - It is known as one of the most beautiful museums in the world and has already been expanded three times since its opening in 1914. 

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