Alicia Koplowitz's House

Koplowitz is considered the second richest Spanish woman. She and her older sister, fellow billionaire Esther, inherited construction firm Fomento de Construcciones y Contratas from their late father. She sold her part of the company to her sister in 1997 for $800 million and created one of the largest family offices in Europe called Omega Capital. Forbes ranks her as the 7th richest person in Spain, worth an estimated $2.5 billion.