When it comes to luxury real estate, America’s wealthiest citizens spare no expense. From Gilded Age palaces to modern mega-mansions, these estates feature amenities most of us can only dream of — ...

A hundred years ago, America's wealth concentrated in New York's Fifth Avenue. Today, the richest Americans reside in places ...

Picture this: towering ballrooms, marble staircases, and gardens that stretch as far as your eyes can see. The Astor family built some of America's most jaw-dropping mansions during the Gilded Age, ...