The Rietveld Schröder House is a pioneering example of modern architecture located in Utrecht, Netherlands. Designed by architect Gerrit Rietveld in 1924, it showcases the principles of the De Stijl movement, emphasizing geometric forms and primary colors. The house is notable for its flexible interior spaces and innovative use of materials. This UNESCO World Heritage site features a unique open-plan layout, allowing for a fluid connection between rooms. Its design reflects a harmonious blend of functionality and aesthetics, making it a significant landmark in the history of modern architecture and a testament to Rietveld's vision.