Schonbrunn Palace is one of the most important cultural and architectural landmarks in Austria. It was the Habsburg dynasty’s summer residence and a place where you can learn about their impact on European history on a 2.5 hour walking tour lead by a local historian. You will acquire a solid understanding of how the dynasty evolved and discover the hidden stories behind its gilded details and ornate furnishings. A bonus feature is the Baroque zoo onsite. It is the oldest continuously operating zoo in the world. More information is here .