Palacio de Bellas Artes.

Dominating the skyline with its Carrara marble facade and golden-tiled dome, this cultural landmark is a masterclass in architectural transition. The exterior reflects the Belle Époque tastes of the early 1900s with its Art Nouveau flourishes, while the interior—delayed by the Mexican Revolution—is a polished shrine to Art Deco. Beyond the massive bronze doors, the museum functions as a living gallery for Mexico’s greatest muralists; visitors can stand inches away from Diego Rivera’s "Man at the Crossroads" and major works by Siqueiros and Orozco. The main theater is equally legendary for its Tiffany & Co. stained-glass curtain, composed of nearly a million crystal pieces depicting the Valley of Mexico. Whether you're here for a performance by the Ballet Folklórico or to study the architecture, it remains the city's most ambitious monument to the arts.