The gilded exhibition hall is the central focal point of the Fondazione. Called the Haunted House, the structure’s blank utilitarian features are draped in gold leaf, an ostensibly spontaneous extravagance that Koolhaas post-rationalizes on functionalist grounds. The building towers above the rest of the campus’s open-air spaces and warehouses, which all can be taken in from the Haunted House’s balconies. Image © Bas Princen - Fondazione Prada