This huge development in Nuevo Polanco, backed by telecom billionaire Carlos Slim, includes excellent cafes, shops, and restaurants, and two of the most spectacular museums in the city. One is the Fundación Jumex (Miguel de Cervantes Saavedra 303; 52-55/5395-2618; fundacionjumex.org), a David Chipperfield-designed destination created by Eugenio López Alonso, heir to the titanic Jumex juice fortune. Considered one of the country's most exciting new art spaces, the museum's impressive private collection includes rising Mexican stars like Gabriel Orozco and Carlos Amorales, along with blue-chip international artists such as Olafur Eliasson, Richard Prince, and Donald Judd. The other is the Museo Soumaya (Boulervard Miguel de Cervantes Saavedra 303; soumaya.com), an extraordinary six-story museum (also founded by Slim) containing more than 60,000 pieces of art—many from the tycoon’s personal collection. Expect a mix of European Old Masters (Tintoretto, Renoir, da Vinci), a large collection of Rodin sculptures, and 20th-century icons like Picasso and Matisse.