But that's not the only title this tower's got under its belt. Burj Khalifa is also the tallest free-standing structure in the world and home to the highest outdoor observation deck in the world.

This Middle Eastern country is building the world's largest clock, which is also the fourth-tallest building in the world.

The tallest structure, which was previously the KVLY-TV mast in North Dakota and the tallest free-standing structure, replacing Toronto's CN Tower. Burj Khalifa was developed by Emaar Properties ...

Sprouting from Toronto's Yonge and Bloor intersection, the enormous new tower known as The One is pretty impossible to miss — ...

The world's tallest building and also the tallest freestanding structure is the Burj Khalifa in Dubai, which stands at 828 metres (2,717 feet), according to Guinness.

The world’s tallest building and also the tallest freestanding structure is the Burj Khalifa in Dubai, which stands at 828 metres, according to Guinness.

Guinness World Records says it defines a tower as a structure in which less than 50 per cent of the total height is useable floor space. The world's tallest building and also the tallest freestanding ...