The cityʼs ornate building cornices and roofs with personality represent a moment when Pittsburgh was at the center of the national culture.

Following our feature investigating why skyscrapers are often clad in glass, we've rounded up 10 contemporary skyscrapers from around the world that use a variety of other materials for their facades.

How many of London's tallest buildings have you been up? London has hundreds of buildings that might be deemed 'skyscrapers'. You've probably been up a few yourself. The Shard, the London Eye and ...