Buildings become abandoned for many reasons, both before and after they're built. Tall skyscrapers can be especially pricey and remain unfinished.

Hidden just across the border from Singapore lies an abandoned $100 billion futuristic city in Malaysia—Forest City. Once ...

From China to beyond, some skyscrapers once destined to be record-breakers now stand empty and unfinished. These abandoned giants reveal the darker side of ambition and money.