The roof of a new retail and co-working building in Singapore's main shopping district provides a lush public respite.

A water-treatment facility in Switzerland conforms to the equipment it houses—and its surrounding landscape.

Public Work transforms a once desolate strip of land underneath a Toronto highway into a new urban park.

Junya Ishigama creates a dreamlike landscape for a Japanese artist's residence.

Sandwiched between two towers in Philadelphia, a planted roof deck serves as a new public square.

A British team recalls democracy's origins by integrating history and nature into their design.

A historic track in Paris is reimagined with an open grandstand for crowds both big and small.

A once-noxious industrial frontier is now a wellspring of hope for the future of New York's waterfront.

A spirited public facility in Scotland integrates with its verdant topography.

Precise detailing and understated drama create an unexpectedly serene sports facility in the U.K.