Blue Mansion, Penang, Malaysia

The Cheong Fatt Tze Mansion, also called the Blue Mansion, dates back to the 1880s and is a private residence as well as a 16-room guesthouse. It gets its distinctive blue color from mixing lime with a natural blue dye made from the indigo plant. Tours are offered, giving visitors the chance to peek behind the scenes and take a look at how the wealthy lived.