Today, the World Heritage Committee has officially recognized the legacy of Frank Lloyd Wright for its outstanding value to humanity. Eight Wright-designed buildings across America have been inscribed to the UNESCO World Heritage List and join over 1,000 World Heritage sites, only 24 of which are in the U.S.

Widely considered the greatest American architect of the 20th century, Wright created more than a thousand designs and saw more than half of them realized from the 1880s to the 1950s. The eight sites inscribed to the World Heritage List include Unity Temple in Oak Park, IL (1909); the Frederick C. Robie House in Chicago, IL (1910); Taliesin in Spring Green, WI (begun 1911); Hollyhock House in Los Angeles, CA (1921); Fallingwater in Mill Run, PA (1939); the Herbert and Katherine Jacobs House in Madison, WI (1937); Taliesin West in Scottsdale, AZ (begun 1938); and the Solomon R. Guggenheim Museum in New York, NY (1959).

“There are eight sites that have been recognized as part of the World Heritage List, not because they’re the best of Frank Lloyd Wright’s work but because collectively they represent the sum of that Outstanding Universal Value that UNESCO’s recognizing as his contributions to global culture,” explains Stuart Graff, president and CEO of the Frank Lloyd Wright Foundation.

Critical to the success of the Wright nomination was proving Wright’s lasting influence in global architecture and design and demonstrating how his work offers universal appeal on par with important cultural sites such as the Taj Mahal in India and the Pyramids of Giza in Egypt.

“What we’re seeing in the World Heritage inscription is the recognition that Frank Lloyd Wright wasn’t just an American architect but he’s really America’s first great cultural export,” notes Graff. “He took these great American values, like freedom, democracy, self expression and self invention and he changed so many things about the way we build and live. His work really influenced the whole course of modern architecture from the European masters like Corbusier—whose work is also inscribed in the UNESCO World Heritage List—but also work in Latin America, in Asia, and Australia.”

Of the many works Wright completed worldwide, about 20 percent of his buildings have been lost due to demolition, neglect, and natural disasters, says Barbara Gordon, executive director of the Frank Lloyd Wright Building Conservancy. “There are nearly 400 remaining structures designed by Wright. Our hope is that the inscription of these eight major works also brings awareness to the importance of preserving all of his buildings as a vital part of our artistic, cultural and architectural heritage. All communities where a Wright building stands should appreciate what they have and share in the responsibility to protect their local—and world—heritage.”

The process for inscribing Wright’s work to the World Heritage List has taken almost two decades. A committee was assembled in the early 2000s to select a small number of buildings to represent Wright’s 70-year career. When the committee submitted the nomination to the UNESCO World Heritage Committee for consideration in 2016, UNESCO decided to “refer” the nomination for revisions. Another two years was spent revising the nomination to bring the submission to the high standards of World Heritage inscription.

“The World Heritage List is considered the gold standard for places worth visiting,” adds Gordon, who says the Conservancy is prepared for the uptick in visitors to the eight inscribed Wright sites. She also notes that the World Heritage Listing is primarily honorary and does not offer any legal protections or regulations beyond what exists at the federal, state, and local level.

“We’re really excited that this inscription calls attention to the work of Frank Lloyd Wright not only with these eight buildings but all over the country and indeed all over the world so that people will begin to understand just how important this work was and remains today,” says Graff.

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“It means that people visiting will now have an appreciation for just how much the work of this American architect in the first half of the 20th century managed to influence everything from the way we live, about the way we build around the design of homes and offices, and how it’s all connected to the world around us, to the landscapes, to our lives, to urban plans. By calling attention to the way that Wright contributed to human culture what we’re really getting is this understanding just how important and relevant this work is today, how it’s going to make a more sustainable world if we pay attention to the ideas of this great American architect.”

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8 Frank Lloyd Wright Buildings Inducted Into the UNESCO World Heritage List