A building referred to as one of Fifth Avenue’s "last remnant" of New York City luxury has gone on sale for a staggering $80 million. The Benjamin Duke House, also called the Duke-Semans Mansion, last ...

Mexican billionaire Carlos Slim, formerly the world’s richest man, has re-listed his Upper East Side mansion at 1009 Fifth Avenue for $80 million, according to the New York Post. Jorge Lopez of ...

The opulent Beaux Arts-style townhouse on Manhattan’s tony Fifth Avenue belonging to Mexican billionaire Carlos Slim is back on the market, complete with an $80 million price tag. The landmarked Upper ...