A restored Gilded Age mansion just off Fifth Avenue is listed at $68 million. While many of New York’s Gilded Age houses were demolished or converted, this one remains an intact single-family residence.

A seven-story Beaux-Arts mansion — once home to a Russian prince and later restored from a shell — has come to market at $29.75 million.

Originally built in Amsterdam in the 17th century, the property was dismantled and rebuilt twice in New York City, and underwent a “gothic fantasy makeover” under British-born architect Frederick Sterner in 1910.

25 Riverside Drive is nestled within the prestigious enclave of the Upper West Side, NYC, offering three exposures, protected River views, and intimate Park access.

In the heart of Manhattan's prestigious Upper East Side near Central Park, 4 East 79th Street stands as a tribute to history, a testament to restoration, and an embodiment of architectural elegance.