The Taj Mahal doesn't have any problems that couldn't be cured by a day at the spa. Centuries of pollution have left the enormous mausoleum with a yellow tinge; to restore its marble to pristine white, India is considering applying a clay mask.
A report to India's parliament argues that a $230,000 mud pack, which is non-abrasive and non-corrosive, would take accumulated dirt and pollutants with it when washed off. Cars have long been banned within a mile and a half of he site, and smoke-generators nearby were closed 10 years ago. (Read more Taj Mahal stories.)