1 Bligh Street, Sydney

While not the tallest building on Sydney’s skyline, 1 Bligh Street stands out for its many sustainability features, including a double-skin curtain wall.

Allianz Tower, Milan

The Allianz Tower is a thin, rectangular tower that features a convex, gently curving glass facade and emphasizes its four steel buttresses as a primary structural element.

American Furniture Mart, Chicago

American Furniture Mart was the largest building in the world when it was completed in 1926, encompassing the entire block between Lake Shore Drive and McClurg Court.

Aqua Tower, Chicago

The signature cantilevered balconies are breathtaking and exemplary of where concrete technology can take tall building design today.

Atlantic Wharf, Boston

Standing at 139 meters, Atlantic Wharf was completed in 2011 and was the first LEED platinum high-rise in Boston.

Aura at College Park, Toronto

Standing at 271m, Aura held the title of Canada's tallest residential building upon completion in 2014.

Beijing Yintai Centre, Beijing

Located in the core Beijing central business district, the three towered structure has a central tower rising 250m high.

Burj Khalifa, Dubai

Undoubtedly one of the wonders of the modern world, Burj Khalifa is graceful and elegant as it reaches upward with seeming ease.

Chongqing World Finanacial Center, Chongqing

Also referred to as the Global Financial Building, Chongqing World Financial Center features a shopping center, hotel, service apartments, and office space.

Chrysler Building, New York City

The Chrysler Building is an Art Deco style skyscraper in New York City, and was the tallest for eleven months before it was surpassed by the Empire State Building in 1931.

Columbia Center , Seattle

The 76-story Columbia Center features a famous public observatory and, at the time of its completion in 1984, was the tallest building on the West Coast.

Empire State Building, New York City

The Empire State Building stood as the world's tallest building for over 40 years, longer then any other skyscraper in history.

Eureka Tower, Melbourne

The Eureka Skydeck 88 observation deck provides stunning views of Melbourne from atop, at the time of completion, the city's tallest building.

Guangzhou IFC, Guangzhou

Guangzhou IFC is a landmark tower which defines the emerging international strength of China’s third city and serves as a landmark for Guangzhou Zhujiang New Town’s main axis.

Hearst Tower, Charlotte

This 200 meter office building is situated atop a 15-floor podium and has a reverse floorplate design.

Lotte World Tower, Seoul

Taking inspiration from traditional Korean art forms in the design of the various interior spaces, the sleek tapered form will stand out from the city's rocky mountainous topography.

Maslak Spine Tower, Istanbul

Spine Tower makes a genuine contribution to the city’s skyline and embraces Istanbul’s epic panorama from different angles.

One Liberty Place, Philadelphia

Though controversial when initially proposed, this 61-story tower completely transformed Philadelphia's skyline upon its completion in 1985, and has since become a famous city symbol.

Pearl River Tower, Guangzhou

The building’s siting and its evocative curving shape are performance driven, and represent an example of a 21st century tower that responds responsibly to local climactic conditions.

Petronas Towers, Kuala Lumpur

Petronas Towers display a distinctive postmodern style, making it a 21st-century icon for Kuala Lumpur, and the symbol of Malaysia’s success.

Ping An Finance Center, Shenzhen

Ping An Finance Center is located in the city’s Futian District and represents a new generation of the prototypical Asian skyscraper: very tall, very dense, and hyper-connected.

Shanghai World Financial Center, Shanghai

The Shanghai World Financial Center has become an icon of Shanghai and China, with its clear and elegant form and revolutionary structural design.

Sky Tower, Abu Dhabi

Sky Tower is a 292 meter tall skyscraper in Abu Dhabi that was the city's tallest building when it completed in 2010.

Soyak Tower, Istanbul

Soyak Kristal Kule is a high-rise office tower project located in Levent, the main commercial district of Istanbul.

Swanston Square Apartment Tower, Melbourne

The Swanston Square Apartment Tower’s façade features the face of Aboriginal artist and civil rights leader Elder William Barak.

The Bow, Calgary

The Bow is both stunning as a form and functions well from an environmental and urban standpoint, especially in the context of a harsh northern climate.

The John Hancock Center, Chicago

Over forty years after its completion, the John Hancock Center has established itself as one of the world’s most recognized skyscrapers and an iconic example.

Torre Caja Madrid, Madrid

Designed by Lord Norman Foster, Torre Caja Madrid is the tallest building in the Cuatro Torres Business Area complex.

Torre Europa, Madrid

Torre Europa is located in Madrid's business district, situated next to the Santiago Bernabéu Stadium, featuring restaurants on the lower levels.