From the glittering palaces of Riyadh to 10 mansions on London's billionaires' row, this is one royal family with a staggering monopoly on the world's most expensive real estate.

Although no restaurants in Alabama earned the coveted star that signals culinary excellence, being chosen for the guide is a ...

The jet set is alive and well, and these planet-hopping celebrities aren't shy about maintaining private fleets that take them all around the world. .