Worlds collide inside a massive mansion for sale in Gibsonia, Pennsylvania. And while castles like this one sometimes go for ...

The centerpiece of the house is the staircase, a sculptural feature that widens slightly as it ascends, and whose second ...

It comes with a study, swimming pool, media room, two private terraces, a gym, a sauna and a garage. If you wanted a slightly smaller property, this four-bedroom terraced house in Lancaster Road ...