How the city evolved from a timber town to a high-tech powerhouse.
Ulan Bator's explosive growth has left new residents without affordable housing, meaning 60 percent of the city lives in tent settlements off the grid.
International passengers are still stranded while officials come up with alternative plans.
It has the festivals, museums and many murals to prove it.
See the first-ever map of the city, and how it evolved over a century.
Travel back in time to Buffalo, 1979.
A luxury real estate developer in Hangzhou thought it could cash in on China's love for all things French. It hasn't worked out that way.
Meet the Hong Kong architecture firm currently in favor with Kim Jong Un.
Berlin's 1936 Olympic Village once housed Nazis and Soviets. Today, there's an effort to convert the neglected site into a museum.
NORFORCE surveils the country's sparsely populated northern coast and territories.
There's something almost hypnotic about this hippie-lite promotional video.
A peek at how the city's changed on its 284th birthday.
Gibraltar accuses Spain of inflicting "torture" through unnecessary delays at its border.
There are Mercedes and Audis, along with bookstores, restaurants and well-swept but mostly empty streets.
Just not always for the better: "I've deliberately designed maps that are deliberately horrible to look at, and succeeded."
Martin Adolfsson photographs upper-class subdivisions around the world without permission.
"St. Louis is sort of an underdog. We're scrappy. We're gritty. This city has been through a lot of shit."
Amazing feats of DIY transport from around the world.
Kirk Crippens has been taking pictures of Stockton, California, since its housing bubble famously burst.