Chateau-sur-Mer in Newport, Rhode Island, was home to three generations of the Wetmore family. Its wealthy residents once hosted debutante balls and a 2,000-person picnic.

Chateau-sur-Mer and The Elms will only be open for a part of that period, so officials said visitors should check operating schedules at the Newport Mansions website.

The entire setting of “Chateau-sur-Mer,” the Lake Forest-Lake Bluff Gorton Community Center’s black-tie dinner dance, was fabulous, according to several of the guests lucky enough to ...

They’re dazzled by the opulence of Marble House and Chateau-sur-Mer. They picture themselves sipping Champagne at sunset on the terrace of Rosecliff. Then there are people like Curtis Genga.

Chateau-sur-Mer in Newport, Rhode Island, was home to three generations of the Wetmore family. Its wealthy residents once hosted debutante balls and a 2,000-person picnic. The HBO show "The Gilded Age ...