Set above the Somme River near Abbeville (1h40 from Paris), this 18th-century pink-brick residence is positioned atop a series of terraces with century-old greenhouses—each nearly 100 metres (328 feet) long—among the largest in private ownership in France.

Hidden behind stone walls just three blocks from the Jardín and the Parroquia, the property embodies the old-world magic of San Miguel de Allende’s historic center. In the heart of Mexico, the city’s preserved colonial architecture offers an experience entirely different from the country’s beach resorts.

Built for Louise Grace—daughter of NYC’s two-time mayor and shipping magnate William R. Grace—this stuccoed Renaissance Revival cottage is a rare surviving example of an early American summer estate, set on 3,570 feet of private Maine shoreline.

On 34.5 acres with more than half a mile of Hudson River frontage, Ulster Landing is a circa-1800s Hudson River estate once held by one of America’s influential dynasties, the Livingston Family.

Set on 106 acres in Sharon, Connecticut, the 12,000-square-foot estate known as Filston remains one of Litchfield County’s grandest turn-of-the-century homes.

Direct beach access, a seafront pool, and design pedigree tracing back to Porto Cervo’s founding architect. All in a walk-to-everything location in Costa Smeralda’s original jet-set village, one of the Mediterranean’s most coveted enclaves.

A Cotswolds couple found their dream home in the Gard, one of five standout properties recently sold in the South of France. Set on 12 acres near Uzès, their 19th-century mas offered timeless charm, privacy, and rare value in a region quietly rivaling Provence.

This once-in-a-lifetime French chateau for sale is set in La Verdière in the Var, Provence. This lesser-known area has attracted many high profile celebrities over the years such as George Clooney, Brad Pitt and George Lucas, who all own estates nearby.

With a commanding position high above the western shore of Lake Como, the villa offers panoramic views of the lake overlooking Bellagio, and is only steps from the centre of Menaggio.

Bobby McAlpine is one of the most prolific architectural designers of our day, whose poetic approach to designing homes is part art, part philosophy.