Recently, during a short visit to Vienna for the first time, I managed to hit a few architectural landmarks that are of interest to me. Despite being on the opposing sides of the architectural theory in the early 20th century, Adolf Loos and Otto Wagner seem to share a certain sensibility for the built environment, which includes attention to detail and overall coherence whether the weapon of choice was ornament or pure materiality... And there are the contemporary ones.
Otto Wagner's Postparkasse
Adolf Loos' Bank
Zaha Hadid's Learning Centre
Jean Nouvel's Sofitel Hotel