It’s any billionaire’s dream pad, but there is more to the story behind one of the few privately-owned châteaux in Loire Valley.

54 East 81st Street has 8,375 square feet of lavish living space and an additional 2,040 square feet of exterior amenities with the South garden, Juliette balcony, and a full-furnished rooftop deck with hot tub. It’s located on a tree-lined street just steps from Central Park, and the Metropolitan Museum of Art.

The estate has been in the family for 250 years, but due to high maintenance costs, the 17th Earl of Dalhousie is selling off Brechin Castle along with a sizeable parcel of his estate.

The six bedroom home features elegant riverside rooms with views towards Hammersmith Bridge, London's oldest suspension bridge. The ‘Beach House’ was featured in an illustration in the 1961 classic, Madeline in London, and reveals how little has changed on the River Thames in the last 60 years.

The Beaux Arts-style residence was inspired by Versailles, built by the architects behind Grand Central Station, Warren & Wetmore, for a New York stockbroker-turned governor of Rhode Island in 1905. In 1925, it was purchased by Emily Thorn Vanderbilt Sloane White, granddaughter of railroad tycoon Cornelius Vanderbilt.

Set in the heart of Tuscany with views over the Arno River stands Villa La Tana, a majestic Renaissance villa surrounded by formal Italian gardens. The property is located just 13 km from the city of Florence. Built in the 16th century, the property was the setting of a great Medici love story: the Grand Duke Francesco Medici I de Medici, heir to the Grand Duchy of Tuscany, gifted the villa to his lover, the beautiful Venetian noblewoman, Bianca Cappello, who he would go on to marry.

 At 19, Dana Jr. dropped out of Harvard and set sail for the California coast as a crewman aboard a merchant ship, the Pilgram. He published the best seller Two Years Before the Mast, chronicling his journey. Dana Jr. was a lawyer and politician from Massachusetts who is famous for his classic book ‘Two Years Before the Mast’, recounting his time at sea aboard a ship from Boston to California and back.

The Beverly House has become an emblem of Hollywood’s Golden Era. A Spanish colonial home of epic proportions, the Beverly House is a true California compound with total privacy, just 3 blocks from Sunset Boulevard and the Beverly Hills hotel.

Château de Montfort has it all: formal gardens, water fountains, and a dreamy poolscape, set in the heart of Provence. The property dates back to the 13th century and has been a source of constant inspiration to its many illustrious owners.

Perched on the side of a cliff, the AIA award winning Orum House reflects the skyline of LA on its floor-to-ceiling mirrored glass curtain wall. With a double-gated entry and set on its own private road in the heart of Bel Air, the property is a true California compound, with parking for 30 cars.