"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Above, Castle Hill Inn in Newport, Rhode Island. Gilded Age barons of industry constructed extravagant ...

Everyone wants to take a peek inside the magnificent mansions of the rich and famous at some point — it's only natural. Rain or shine, crowds still line up to poke around the opulent state rooms at ...

A wonderfully preserved Gilded Age mansion is poised to hit the market for $13.9 million as the glamorous homes from that period of time are back in the spotlight. The grand 19th-century limestone ...