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 — ...

While most Americans are drowning in debt or struggling with rising housing costs, the world’s tech billionaires are living in luxury mega-mansions that would make the Gilded Age robber barons blush.

In one of America's wealthiest neighborhoods lies an abandoned mega-mansion that was once the home of Kenny Rogers. Built in the early 1990s, this castle-like estate was valued at $15 million and ...