Europe is home to some very old and classic buildings , but also creative designs by inventive architect...  ...little logic to its structure. Despite this, the building is wildly popular and today stands as one of the...  ...lar and today stands as one of the most treasured buildings...

The Waldspirale ("Forest Spiral") in Darmstadt, Ge...  ...eich Hundertwasser abhored straight lines, so the building is U-shaped, with rounded corners inside and out,...  ...s that resemble sedimentary layers in rock. The building was completed in 2000, the same year Hundertwasse...