The Petronas Twin Towers in Kuala Lumpur, Malaysia, were the world's tallest buildings from 1998 to 2004, and are still the tallest twin buildings.
Burj Dubai, Taipei 101, Kingdom Center, The Shard, Jin Mao Tower, Petronas Twin Towers, Chicago's Willis Tower, US Bank Tower, The Imperial Towers, Gran Torre Santiago, Bank of China Tower, One World Trade Center, Abraj Al-Bait Towers, Northeast Asia Trade Tower, Yokohama Landmark Tower, International Commerce Centre, Q1 Queensland Number One, Shanghai World Financial Center, Trump International Hotel and Tower, New York City's Empire State Building...