The Sphinx Observatory, Jungfraujoch, Switzerland. At an astonishing meters above sea level, the Sphinx observatory in the Swiss Alps is the highest-altitude built structure in Europe. See more Photo of Zentralbibliothek Public/University Library - someplace to spend a low-key hour or two See more Museum of Art (Kunsthaus Zurich) - All You Need to Know Before You Go (with Photos) - TripAdvisor See more Swiss Craft Center (Zurich) - All You Need to Know Before You Go (with Photos) - TripAdvisor See more Church of Our Lady (Fraumunster), Zurich - TripAdvisor See more Senator Hotel Heinrichstrasse 254 / 256, Zurich 8005, Switzerland See more Top 30 things to do in Zurich, Switzerland: Zurich Attractions – Find what to do today, this weekend, or in February - TripAdvisor See more Privacy