New York City and San Francisco are the most "requested" destinations on CouchSurfing.org.
From helpful guides to digging deeper.
An international smuggling mission of juvenile proportions.
Worshippers packed mosques and partied outside to celebrate the end of Ramadan.
A machine that prints house parts from 3D plans for simple human assembly.
Photographer Peter Andrew has been hanging out of planes to take pictures of our concrete ribbons.
Beautifying burnt-out cars, wrecked storefronts and other urban blight with the power of colored paint.
Lawmakers in D.C. want a cut from instructors hosting fitness classes in public parks.
Photos of urban daredevils, the world over.
Mapping the vast network of above- and below-ground walkways.
Inside one artist's mission to cover the city with blue bugs.
Our weekly look back at the stories you may have missed.
Get a whiff of a place you miss.
What happens when you insert elements from the digital realm into our physical surroundings?
Pussy Riot are the latest, but a family of cartoon Irish immigrants came first.
"It was almost like it was [originally] designed to be a restaurant."
Two women tie the knot in the country's first same-sex Buddhist wedding.
Chairs with umbrellas and desks invite you to hang around.