Burj Khalifa

What is hailed as the world's highest penthouse has hit the market for $51 million – and for that price you'll even have to provide your own furniture. Located in the world's tallest building, it boasts lots of space and unmatched views of the area.

ZNera Space envisions encircling the world's tallest building with a massive circular structure named the Downtown Circle. The mixed-use building would create a new neighborhood in the sky for Dubai at an impressive height of 550 m.

Even in the cutting edge world of skyscraper design, SOM's Burj Khalifa stands apart and it remains the world's tallest building by a long way. To get the inside story on its design and construction, we spoke with the Burj Khalifa's structural engineer, William F. Baker.

If a 31-m (102-ft) long Lego model of the Severn Bridge doesn't do it for you, then what about a 17-m (56-ft) tall Lego model of the Burj Khalifa? The world's tallest building has been faithfully reconstructed at Legoland Dubai.

The Burj Khalifa tower in Dubai is already the tallest building in the world. Now, it also boasts the record for having the highest observation deck of any building. At The Top Sky opened to the public in October and is situated up on the 148th floor of the building.

A photographer recently composed a stunning 360-degree panorama image taken from on top of the Burj Khalifa in Dubai, the tallest building on Earth.

The 828-meter Burj Khalifa opened yesterday, becoming the world’s tallest building alongside many world records including the highest occupied floor, highest observation deck, highest mosque, highest swimming pool, and tallest service lift.