A new addition, also designed by Gehry, was expected to open in 2009.

The latest addition, designed to resemble a 19th-century European village, includes 10,000 square feet of office space and a 12,000-square-foot restaurant.

An addition which doubled the size of the galleries, also designed by Gehry, opened in 2011.

Among other things, the addition, designed in limestone and glass, would include a new entrance that met federal disability guidelines.

To the south of it an addition designed by Albert Kahn was built in 1985.

Over the years Jefferson designed and built additions to the house where it took on neoclassical dimensions.

And those already successful with straightforward home repair are designing quirky new additions.

Since the 1980s the institution has tried to expand its landmark building, hiring star architects to design additions.

The addition, designed by Predock, included office and event space as well as an expanded restaurant.

It was designed by Henry Bittman who would also design additions to the building in 1939.