Scruffy 1970s public buildings like electricity substations virtually disappear into their environments when covered with photo prints and pixelated mosaics.

A remarkably subtle and deferential structure-destroying process with many levels of conscientious thought behind it (not to mention a brilliant visual effect).

Urban designers far and wide have warmed to copper's practical beauty, employing it to clad buildings of all sizes and why not: it makes perfect cents.

Animal House reboot anyone? This unlucky group of 13 zoomorphic buildings make being sent to the doghouse (cathouse, etc.) a decidedly different experience.

As the seas rise, New York City's future is in doubt. This proposal turns it into a heritage site with a large sand barrier and towering concrete wall.

German designer Phillip Stingl envisions a bleak future in which society has collapsed, and a growing population of elderly people live in dumpster houses.

For one week a year, an entire built environment for tens of thousands of residents emerges out of the flat cracked-sand landscape ... then disappears again.

This concept for an inflatable bridge over the river Seine in Paris turns an ordinary footbridge into an urban playground with three connected trampolines.

Skidome Denmark is a proposal for the Danish city of Randers, a six-armed indoor ski resort shaped like a snowflake that would be the world's largest if built.

The privatization of public spaces is a contentious issue - suburban malls have turned many main streets into ghost towns. At the same time, there is gray area, too.