Perched high above the sparkling coastline of Villefranche-sur-Mer at nearly 600 meters (1,968 feet) above sea level, this luxury estate—aptly nicknamed "the roof of the world"—offers one of the most awe-inspiring panoramas in the south of France.

Just a 10-minute walk from one of Italy’s most beautiful villages, this former convent was part of a 16th-century complex designed by a renowned Renaissance architect, with its original plans preserved in Florence's Uffizi Gallery.

This iconic 1936 estate, built for steel tycoon heir Howard Phipps, is one of Long Island's most storied Gold Coast properties. This record-breaking transaction also marks the highest single-family sale ever recorded in Old Westbury, NY.

Named after Viscountess Nancy Astor, the UK’s first seated female MP, The Astor is a 9,582 sq. ft. duplex penthouse that blends Roaring Twenties opulence with British elegance, crowned by a rooftop terrace offering 360-degree views of Big Ben and Westminster Abbey.

“It may be the oldest castle in the area, but the value of energy efficiency has become the same as that of a new-build home. Other castles are falling into disrepair, but Mishaegen Castle is truly ready for the future,” says the current owner, reflecting on its meticulous restoration.

Built in 1916 by Francis Burrall Hoffman Jr. as a birthday gift for a 16-year-old heiress, the Woodhouse Playhouse features a 75-foot great hall that once hosted legends like John Barrymore. Explore the rich history of East Hampton’s last Woodhouse estate remnant, now a stunning residence.

Nestled atop the historic Sohmer Piano Building in Manhattan’s Flatiron District, the sale of this opulent property will directly support the restoration of Mozambique’s Gorongosa National Park.

Discover Rogers Island, an exclusive private retreat on Long Island Sound, boasting a historic Tudor mansion, resort-style luxuries, and three private beaches—just minutes from the mainland.

Bixby Creek Ranch rises majestically above the iconic Bixby Creek Bridge—a hallmark of California’s Highway One—secluded among ancient oaks and redwoods on a tranquil mountaintop, mere minutes from Carmel-by-the-Sea and Pebble Beach.

This 16th-century Florentine-inspired palace is set in the unspoiled heart of Corsica’s Nebbiu region—and offers panoramic views across the rolling hills to the glimmering sea.