A Pritzker Prize winner turns back the clock, restoring one of his first works of architecture after it had fallen into disrepair.

Visitors to the hilltop neighborhood of Travessa do Patroc'nio in Lisbon come screeching to a halt (even if on foot) when they first glimpse a three-story house whose walls pulsate with lush vegetation.

The Casa das Mudas Centro das Artes, on the Portuguese Island of Madeira, crowns a basalt promontory 600 feet above the Atlantic, but from its entry atop the precipice, the building disappears.