Kingston Penitentiary closed its doors in September 2013, ending a legacy of 178 years of famously harsh treatment. "Canada's Alcatraz" has inspired lots of stories, but there are few pictures of what life was there. Except that photographer Geoffrey James had a privileged look on the inside.
Will cities in the future be re-designed to function "like sponges," to cope with droughts that will only become more severe thanks to climate change?
And you thought your last move was difficult. The process of moving a large building, from a mansion to a railway station, from one location to another is a major engineering challenge. Here are some eye-popping photos of massive structures in transit.