National Gallery of Art Reopens Newly Renovated and Expanded East Building on September 30, 2016 → April 29, 2016 “Washington, DC—On September 30, 2016, the East Building galleries of the National Gallery of Art, which house the modern collection and several temporary exhibition spaces, will reopen after three years of renovation of existing galleries and construction of new galleries and a roof terrace. A completely new configuration of the permanent collection of modern art will be unveiled to the public on this date.” — National Gallery of Art Click for full press release