1.Flatiron building, New York:-
The eye-catching Flatiron building in Manhattan was designed by Chicago architect Daniel Burnham and built in 1902. The distinctive triangular shape allowed the building to fill the space located at the intersection of Fifth Avenue and Broadway.Another of New York's skyscrapers, it was never the tallest but remains one of the most memorable and has been a source of inspiration for artists and architects for over a century now.
2.Guggenheim Museum, Bilbao:-
The Guggenheim museum Bilbao is one of the most admired works of contemporary architecture. California-based Canadian-American architect Frank Gehry created the unique concept after winning an architectural competition to design the building.Since the museum doors opened in 1997, it has been hailed one of the most important buildings of the 20th century.
3.Space Needle, Seattle:-
The futuristic Space Needle in Seattle, Washington was built for the 1962 World's fair. The famous landmark stands at 184m high and 42m wide at its widest point.The design was a collaborative effort between architects Edward E Carlson and John Graham. Not only is the architecture a marvel to look at but the building's impressive design can survive wind velocities of 200mph and can escape serious structural damage during earthquakes of up to 9.1 magnitudes.
4.Sydney Opera House:-
Sydney Opera House is widely regarded as one of the greatest architectural works of the 20th century. The innovative design came from architect Jorn Utzon, who was relatively unknown until January 29, 1957 when his entry to the 'International competition for a national opera house at Bennelong Point, Sydney' was announced the winner.The beautiful building comprises of three groups of interlocking shells, which roof two main performance halls and a restaurant. A masterpiece of modern architecture, the opera house has become an iconic symbol of both Sydney and the Australian nation.
5.Heydar Aliyev Center:-
The Heydar Aliyev Center is a 57,500 m2 (619,000 sq ft) building complex in Baku, Azerbaijan designed by Iraqi-British architect Zaha Hadid and noted for its distinctive architecture and flowing, curved style that eschews sharp angles. The center is named after Heydar Aliyev, the first secretary of Soviet Azerbaijan from 1969 to 1982, and president of Azerbaijan Republic from October 1993 to October 2003. The Center houses a conference hall (auditorium), a gallery hall and a museum. The project is intended to play an integral role in the intellectual life of the city. Located close to the city center
Aqua is an 82-story mixed-use residential skyscraper in the Lakeshore East development in downtown Chicago, Illinois. Designed by a team led by Jeanne Gang of Studio Gang Architects, with James Loewenberg of Loewenberg & Associates as the Architect of Record, it includes five levels of parking below ground. The building's eighty-story, 140,000 sq ft (13,000 m2) base is topped by a 82,550 sq ft (7,669 m2) terrace with gardens, gazebos, pools, hot tubs, a walking/running track and a fire pit. Each floor covers approximately 16,000 sq ft (1,500 m2). The Aqua was awarded the Emporis Skyscraper Award as 2009 skyscraper of the year, and was shortlisted in 2010 for the biennial International Highrise Award.
7.Seattle Public Library:-
The Seattle Public Library (SPL) is the public library system serving Seattle, Washington. It was officially established by the city in 1890, though there had been efforts to start a Seattle library as early as 1868. There are 26 branches in the system, most of them named after the neighborhoods in which they are located. Also included are Mobile Services and the Central Library (opened 2004, designed by Rem Koolhaas).
Gaudi spent his entire career in Barcelona, where he built all of his projects, the most famous of which is the 1883 cathedral known as La Sagrada Familia, still under construction today. His style was an ornate mix of Baroque, Gothic, Moorish and Victorian elements that often featured ornamental tile-work, and drew upon forms found in nature—an influence that can he seen in the tree-like columns holding up the vast interior of his church, as well as the undulating facade of another of his famous creations, the apartment block known as the Casa Milla (inspired by the multi-peaked mountain just outside of Barcelona called Montserrat). Gaudí’s work would go on to have a tremendous impact on subsequent generations of modernists.
9.Leaning Tower of Pisa:-
The Leaning Tower of Pisa is one of the most remarkable architectural structures in Europe. Most famous for its tilt, the tower began to lean during construction after soft ground on one side was unable to properly support the structure's weight.Building work on the tower began in 1173 and went on for over a whopping 300 years. There has been much controversy surrounding the true identity of the architect behind the tower – the design originally attributed to artist Bonnano Pisano but studies have also implicated architect Diotisalvi.
10.Petronas Towers, Kuala Lumpur:-
Standing at 170 metres above ground, the Petronas Towers are twin skyscrapers in Kuala Lumpur, Malaysia. The buildings, which held the titled of tallest in the world between 1998-2004, are an iconic landmark of the capital city.The distinctive postmodern style was created by architects Cesar Pelli and Achmad Murdijat, engineer Deejay Cerico and designer Dominic Saibo under the consultancy of JC Guinto.