First came the Menil, then the Twombly, Nasher, High, and Morgan. In 2008, two more opened, and half a dozen are under way. It's official: Renzo Piano Building Workshop has become the master of the American museum, and—dare we say it?—a 21st century McKim, Mead, and White.

Launch Slideshow

Il Maestro

Il Maestro

  • http://www.architectmagazine.com/Images/88af0932-48ce-4d9f-b72f-aba99e5a1bdf_tcm20-428377.jpg?width=600

    true

    600

    Renzo Piano Building Workshop in collaboration with Cooper, Robertson #38; Partners

    Downtown building for the Whitney Museum of American Art New York Architect of record: Cooper, Robertson & Partners Expected completion: 2012

  • http://www.architectmagazine.com/Images/a7fce5f0-0448-4075-9525-ebd4657ed3be_tcm20-428378.jpg?width=600

    true

    600

    LACMA

    Lynda and Stewart Resnick Exhibition Pavilion Los Angeles Executive architect: Gensler Expected completion: 2010

  • http://www.architectmagazine.com/Images/be898a52-0fea-4e87-abb5-e231d8ae278d_tcm20-428381.jpg?width=600

    true

    600

    Robert Irwin, Museum Associates/LACMA

    Broad Contemporary Art Museum at LACMA Los Angeles Executive architect: Gensler Completed in 2008

  • http://www.architectmagazine.com/Images/47baf09f-98cb-4c79-afdc-c819280e2d0e_tcm20-428386.jpg?width=600

    true

    600

    The Art Institute Of Chicago

    The modern wing at The Art Institute of Chicago Chicago Architect of record: InterActive Design Expected completion: 2009

  • http://www.architectmagazine.com/Images/b12b52a2-d0a1-4639-9b84-b5eb556b4e07_tcm20-428390.jpg?width=600

    true

    600

    Renzo Piano Building Workshop

    Isabella Stewart Gardner Museum expansion Boston Architect of record: Burt, Hill Expected groundbreaking: 2010

  • http://www.architectmagazine.com/Images/aaa3c3ff-9422-43a9-877b-1ac2e5827c73_tcm20-428394.jpg?width=600

    true

    600

    Katya Kallsen, President and Fellows of Harvard College

    Fogg Museum and Busch-Reisinger Museum renovation and expansion at Harvard University Cambridge, Mass. Architect of record: Payette Expected completion: 2013

  • http://www.architectmagazine.com/Images/520c65a8-def4-48a7-a462-8bb3b16e6501_tcm20-428397.jpg?width=600

    true

    600

    Tim Griffith

    California Academy of Sciences San Francisco Local architect: Stantec Architecture (formerly Chong Partners Architecture) Completed in 2008

  • http://www.architectmagazine.com/Images/1a0acef3-aaba-4fd8-b2c1-a31fc5e2cda5_tcm20-428400.jpg?width=600

    true

    600

    Renzo Piano Building Workshop

    Kimbell Art Museum expansion Fort Worth, Texas Architect of record: Kendall/Heaton Associates Expected completion: 2012