5. LA SAGRADA FAMILIA
Commonly known as Sagrada Familia, Basílica i Temple Expiatori de la Sagrada Família, is a Roman Catholic Church located in Barcelone, Spain. It was desgined by Antoni Gaudi who was a Catalan architect. The church was enlisted as a UNESCO World Heritage Site in 2010. The construction of this particular church began in 1882. A year later Gaudi was involved and at the time of his death around 46 years later, only a quarter of the church was completed. Interestingly, the structure is still not completely constructed.
4. HAGIA SOPHIA
Originally an Orthodox patriarchal basilica, then a mosque and now a museum, Hagia Sophia is located in Istanbul, Turkey. It served as a Greek Patriarchal Cathedral of Constantinople till the year 1453. It was converted to a Roman Catholic Cathedral between 1204 and 1261 and that happened under the Latin Empire. From the year 1453 to the year 1931 the building was converted into a mosque and in the year 1935 the building opened up as a museum. It is considered to be one of the prime examples of Byzantine architecture.
3. GRESHAM PALACE
The said palace is located in Budapest, Hungary and is one of the best examples of Art Nouveau architecture in all of Europe. The building was built during the early 1900s. The palace is now managed by the Four Seasons Hotel and is owned by an Irish company called Quinlan Private. This building originally served as a home to wealthy aristocrats belonging to Britain. After the World War II occupation, Soviet soldiers resided in the palace. It has also been used an apartment building. Now it serves as a luxurious hotel in Hungary.
2. BURJ AL ARAB
I am sure you are familiar with this particular building and also the one that follows. It is a luxury hotel that is located in Dubai. It stands at a height of 321 meters and happens to be the fourth tallest hotel in the world. It is built on artificial island which is a marvel in itself and the shape of the building is designed to mimic the sail of a ship. The construction of the hotel started in the year 1994 and it was completed five years later in 1999 at a cost of USD 650 million. It is considered to be the only seven-star hotel in the world.
1. BURJ KHALIFA
This happens to be the tallest building in the world. It stands at around 829.84 meters. The construction began in the year 2004 and it was opened to public in the January of 2010. The entire project cost around $ 1.5 billion. It was designed by Skidmore, Owings and Merrill of Chicago and Adrian Smith was the chief architect. It is a beautiful structure and an unbelievable one at that.