The 20th-Century Architecture of Frank Lloyd Wright


World Heritage Identification Number: 1496

World Heritage since: 2019

Category: Cultural Heritage

Transboundary Heritage: No

Endangered Heritage: No

Country: 🇺🇸 United States of America

Continent: Americas

UNESCO World Region: Europe and North America

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The 20th-Century Architecture of Frank Lloyd Wright: A Legacy of Organic Design

The 20th-Century Architecture of Frank Lloyd Wright, inscribed as a UNESCO World Heritage Site in 2019, represents a significant chapter in the evolution of modern architecture. This collection of eight buildings, scattered across the United States, showcases the groundbreaking ideas and philosophies of one of America's most influential architects, Frank Lloyd Wright (1867–1959).

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UNESCO Description of the World Heritage Site

The property consists of eight buildings in the United States designed by the architect during the first half of the 20th century. These include well known designs such as Fallingwater (Mill Run, Pennsylvania) and the Guggenheim Museum (New York). All the buildings reflect the ‘organic architecture’ developed by Wright, which includes an open plan, a blurring of the boundaries between exterior and interior and the unprecedented use of materials such as steel and concrete. Each of these buildings offers innovative solutions to the needs for housing, worship, work or leisure. Wright's work from this period had a strong impact on the development of modern architecture in Europe.

Encyclopedia Record: The 20th-Century Architecture of Frank Lloyd Wright

The 20th-Century Architecture of Frank Lloyd Wright is a UNESCO World Heritage Site consisting of eight buildings across the United States designed by the American architect Frank Lloyd Wright (1867–1959). These sites demonstrate his philosophy of organic architecture, designing structures that were in harmony with humanity and its environment. Wright's work had an international influence on the development of architecture in the 20th century.

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Additional Site Details

Area: 25.723 hectares

UNESCO Criteria: (ii) — Significant interchange of human values

Coordinates: 39.9055708333 , -79.4664755556

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Country Information: United States of America

Flag of United States of America

Official Name: United States of America

Capital: Washington, D.C.

Continent: Americas

Population (2024): 340,110,988

Population (2023): 336,806,231

Population (2022): 334,017,321

Land Area: 9,147,420 sq km

Currency: United States dollar (USD)

Country Data Sources

Last updated: January 18, 2026

Portions of the page The 20th-Century Architecture of Frank Lloyd Wright are based on data from UNESCO — World Heritage List Dataset and on text from the Wikipedia article The 20th-Century Architecture of Frank Lloyd Wright, licensed under CC BY-SA 4.0. Changes made. Additional original content by World Heritage Explorer (WHE), licensed under CC BY-SA 4.0. WHE is not affiliated with UNESCO or the World Heritage Committee. Legal Notice. Privacy Policy.

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