7Forest Spiral (Waldspirale), Darmstadt, Germany

The Forest Spiral (Waldspirale) in Darmstadt, Germany, is a fascinating architectural masterpiece.

Designed by Friedensreich Hundertwasser, this unique residential building features a whimsical façade with colorful tiles, irregular windows, and a rooftop garden, harmoniously blending nature and art into a harmonious living space.