Forty wall areas contain maps of the world as Italians believed it looked like in the sixteenth century.

VOA: special.2010.02.03

For more than a century, scientists in California have made maps of rocky areas that might contain asbestos.

VOA: special.2009.11.17

Paul Ryan's various plans and road maps contain many interesting elements for the reduction of government in the decades ahead.

CNN: Romney did Obama a huge favor

Few maps are made of where the mines are laid, and since the home-made varieties contain very little metal, they are extremely difficult to detect and so sensitive that even sniffer dogs can detonate them.

BBC: Farc rebels have been fighting the government for decades