Hundertwasserhaus

Hundertwasserhaus is a quirky public housing complex designed by artist Friedensreich Hundertwasser and architect Joseph Krawina (1983–85). Its undulating floors, irregular windows, and color-splashed facades are softened by roof gardens and trees growing from balconies. While residents live here, visitors can view the exterior freely and explore the nearby Hundertwasser Village for shops and exhibits. It appeals to fans of modern art, sustainable design, and unconventional architecture. Note: interiors aren’t open to the public, and crowds are common; consider combining with the Kunst Haus Wien (Museum Hundertwasser) a short walk away.