Thick concrete blocks shut off the access road to the Polowce-Peschatka border crossing in northeastern Poland. Each weighs 1.7 tons. "Not even two tanks could move them away," says a Polish border ...

Rocks beneath overpasses are meant to deter the homeless. But are they "hostile architecture" or part of a housing program strategy?

A “living seawall” — developed by a Miami-based tech start-up called KindDesigns — exemplifies cutting-edge in both its ...