Thomas M. Menino leaves his successor with a particular problem.
The Rube Goldbergian "mobile foundry" smelts aluminum cans into helpful objects for your butt.
Should New York's newest outdoor furniture look like a pretzel, a folded-up newspaper, or Marcel Duchamp's Nude Descending a Staircase?
The hammocks, made from old fire hoses, also double as playground swings.
A municipal arborist whittled this damaged tree into a street chair for the neighborhood.
"There could be rotting flesh and feces on a mattress," says photographer Amanda Durbin, "and I'd still snap a photo before I called the authorities."
Chairs with umbrellas and desks invite you to hang around.
Have a seat.
A hundred bucks to anyone in England who can grind the length of this bench.
Urban hacker Florian Rivière makes the streets of France his playground with movable crosswalks, pigeon traps and a shopping-cart soccer field.
A Dutch artist created illegal but highly luxurious street signs, a leather-padded bench and a walnut garbage can.
The Irish capital aims to ensure its future is pedestrian-focused