Hidden Hills is an incorporated city and also a rural gated residential community of just under 700 homes.

FORBES: Hidden Hills, Los Angles County, California

Hidden Hills and The Oaks, in the western foothills of the San Fernando Valley in Los Angeles County, are the cream of gated living.

FORBES: America's Most Exclusive Gated Communities

Police searched Blake's house in the gated Hidden Hills subdivision Friday, as well as Caldwell's Burbank home and a third location they did not disclose.

CNN: Blake lawyer: Police 'desperate' to make case

Hidden Hills is base-camp for Jennifer Lopez.

FORBES: America's Most Exclusive Gated Communities

Monumental Roman structures line the road, but the rest is hidden-away country mansions, rolling fields and distant hills.

BBC: All roads lead to Rome

Nestled among the hills of Malibu, the 235-acre estate has its own GPS-scrambling private street, hidden behind a discreet wooden gate.

FORBES: Life Castles: A Hollywood Mogul's $60 Million Malibu Paradise - Forbes

Since his Feb. 28 resignation, Benedict has been "hidden to the world" as he himself predicted, living at the papal residence in Castel Gandolfo, in the hills south of Rome.

NPR: Benedict Comes Home To New House, New Pope