Top 10 Most Unusual Buildings

1. Upside Down House [Source]

2. Casa pueblo [Source]

3. Longaberger Basket Building [Source]

4. Crooked House [Source]

5. Cubic Houses [Source]

6. Habitat-67 [Source]

7. Library of Alexandria [Source]

8. Dynamic Tower [Source]

9. Graz Art Museum [Source]

10. Museum of Modern Art [Source]