Many of the world's tallest buildings become major tourist attractions and icons for their cities - such as the Burj Khalifa in Dubai and the Shard in London. However, one huge skyscraper in China ...

The Sathorn Unique Tower, known as the "Ghost Tower," stands 607 feet tall and was supposed to house 600 luxury apartments. However, construction stopped in the late 1990s, and it remains unfinished.

A protester scaled London's Elizabeth Tower, which houses the famous Big Ben clock, carrying the Palestinian flag on Saturday (March 8).