Collector and dealer Alexander Yakut's new enterprise is his most ambitious yet

A top museum director and a dealer react to the billionaire’s decision to show his contemporary art collection in Venice

Bringing a little Miami to San Juan

The French billionaire is the new owner of the Palazzo Grassi

They receive 5000 visitors a year in their house, which has become a personal Kunsthalle 16 years in the making

In the space of just a year, a former US Drug Enforcement Warehouse has been expanded to 40,000 square feet and now includes 18 new galleries, a conservation laboratory, a library and a sculpture garden

Tracking the collector's vast collection from its inception to his newest project, 'The Margulies Collection at the Warehouse'

Following rumours that Pinault is struggling financially

The businessman, collector, and artist whose department store museum includes work by Damien Hirst, Tracey Emin and Anthony Gormley

Show demonstrates the aboriginal passion of an Austrian collector

The French billionaire has ditched plans for a contemporary art museum on the Ile Seguin and has instead bought the Palazzo Grassi in Venice

The auction house has acquired a 5,000 square foot facility in Manhattan

Pietro Accorsi's long wait to showcase his collection is over

Erika and Rolf Hoffmann open their collection in Berlin

One of the world’s greatest collections of modern Impressionist and post-Impressionist art goes on view this month in a $37 million building by Renzo Piano

The works on paper will begin their nomadic existence at the Teylers Museum

Autumn sale at Christie’s expected for the last manuscript by the artist in private hands — in 1980 it sold for £2 million

Architect of the Louvre pyramid, I.M. Pei, is its designer