A visit to Fusterlandia feels like stepping straight into Cuban artist Jose Fuster’s imagination.

iMajor and Mrs. James H. Dooley transformed rough fields and pastures into a showplace many American millionaires were creating during the Gilded Age.

Stepping into Linden Place feels less like entering a single home and more like walking through generations of American life.

Built between 1908 and 1912, Fonthill Castle was the home of archaeologist, anthropologist, ceramicist, scholar and antiquarian Henry Chapman Mercer.

Nemours, the former 300-acre estate of Alfred I. du Pont, is named after the du Pont ancestral home in north central France. The 102-room French chateau-style mansion, designed by Carrere and Hastings, and built between 1909 and 1910, was a gift from Alfred to his second wife, Alicia.

There’s something about stepping into a place where a great mind once lived.

It wasn’t simply the place where he painted—it was the world he created in order to paint, a living canvas he cultivated with the same vision and intention he brought to his art.

Baroness Beatrice Ephrussi de Rothschild created this seaside oasis in the early 1900s, pouring her fortune and imagination into every detail.

Coe Hall is the 65-room centerpiece of the 409-acre Planting Fields Historic State Park located in Oyster Bay, New York. The estate was originally landscaped by Frederick Law Olmsted, featuring greenhouses, rolling lawns, formal gardens, woodland paths and outstanding plant collections.

Westbook Farms started when William Bayard Cutting purchased the George C. Lorillard estate on the Connetiquot River in the Long Island town of Great River. Cutting was a New York City lawyer and sugar beet refiner, who made his fortune in railroads and in the development of the Red Hook, Brooklyn waterfront.

Beauport, also known as the Sleeper-McCann House, was the shingle-style summer home of one of America’s first professional interior designers, Henry Davis Sleeper.

This small historic Victorian-style town, nestled in the Lehigh Mountains, is definitely worth exploring. The town’s main commercial streets are Broadway and Race Street with charming old buildings, some maintained, some restored. The coal mining and railroad town was founded in 1818, and named Mauch Chunk (derived from the Indian words meaning “bear mountain”).

The 50-acre Sonnenberg Gardens and Mansion State Historic Park is located in Canandaigua, New York. The historic park contains the former summer mansion, a collection of period garden architecture, nine formal and informal gardens, statuary, and a greenhouse complex. The property is a gift to New York State from philanthropists Frederick Ferris and Mary Clark Thompson.

George C. Boldt, a millionaire associated with the Waldorf Astoria and the Bellevue-Stratford Hotels in New York City, built this 120-room castle to display his love for his wife, Louise, on picturesque Hart Island, which he re-named Heart Island.

Located in the heart of the Old Town, Maison Tavel is the oldest private residence still standing in Geneva — a rare surviving example of medieval civil architecture in Switzerland.

The Frick Collection is widely celebrated for its intimate, domestic setting within the original mansion, which creates a personal, almost home-like atmosphere for viewing the art.

Alexander Hamilton’s summer home, Hamilton Grange, is located in the Hamilton Heights and Sugar Hill sections of Harlem. It has occupied three different sites within the neighborhood, all within the original bounds of Hamilton’s estate.

Clayton remained the family’s primary residence until they moved to New York in 1905. When they left Pittsburgh, the Fricks left behind much of their life there, including 93% of Clayton’s original contents—an impressive array of fine and decorative art objects.

Kentuck Knob, located in the scenic Laurel Highlands of western Pennsylvania, is a striking example of Frank Lloyd Wright’s Usonian architecture. Designed in 1954 for Isaac and Bernardine Hagan, founders of the Hagan Ice Cream Company.

Phipps Conservatory and Botanical Gardens, located in Schenley Park in Pittsburgh, Pennsylvania, was founded in 1893 as a gift from American entrepreneur Henry Phipps Jr.