Even buildings as remarkable as Mr. Kikutake’s Miyakonojo Civic Center, with its segmented roof arched like a baby stroller, fell prey. Similarly, Japan’s shrinking population has stimulated the ...

Plastic-infused asphalt can also save money. Because it lasts longer and resists cracking, cities may spend less on repairs and maintenance. In Rockwall, for example, early estimates suggest these ...

Hidden beneath a Seattle bridge lives a concrete giant who’s been photobombing tourists and delighting locals since the early ...