Like most of Asia, Thailand experienced exuberant economic expansion in the early to mid Nineties. Construction in Thailand's capital exploded, creating hundreds of new skyscrapers within a few short years. However, when the stock market and currency crashed in 1997, construction halted - leaving half finished "ghost towers" peppered around the city. Hit Play or visit the Link [BrightCove] to see a fascinating video on some of these still abandoned towers.
via Travel Happy
Also, for more abandoned building goodness, check out the old Russian Embassy of Bangkok, complete with a secret dungeon.