For almost a year, from late 2010 to 2011, photographer Dominic Boudreault trekked through Montreal, Quebec City, Toronto, Manhattan, and Chicago, ...

Projectors have lit up Melbourne's cityscape in dizzying colours for the city's second White Night festival.

German photographer Wolfgang Hildebrand merges cityscapes from around the world at different times of the day to create single, deceptive images.