Spanning 1,200 acres, The Living Desert Zoo and Gardens is home to a fascinating array of wild animal species from the deserts of North America and Africa. More than just a zoo, its mission is to preserve desert ecosystems and educate visitors about the importance of these unique environments and the species that thrive in them. Explore the expansive desert habitats, where you’ll encounter everything from majestic giraffes to desert tortoises, and discover the incredible adaptations that help these animals survive in some of the harshest climates on Earth.

Carol Reed’s “The Third Man” (1949) remains a landmark of film noir, iconic in its atmospheric portrayal of post-war Vienna, the Anton Karas’s haunting zither score, and Orson Welles’s performance as the enigmatic Harry Lime. Voted the greatest British film of the 20th century, it captured a city divided by Allied occupation — a world of shadows, rubble, and moral ambiguity — while showcasing both Vienna’s grand landmarks and its gritty sewers. Operated by passionate private collectors, The Third Man Museum displays over 3,000 artefacts, from original scripts and film props to period documents illustrating Allied-occupied Vienna (1945–1955). The collection spans 16 rooms, offering deep context into the film’s production and its historical backdrop. Guided tours (75 minutes, in English) delve into cinematography, the impact of the zither score, and the city’s complex post-war reality. Note: cash only for entry. The above-ground Third Man Walking Tour, offered by independent guides, visits key filming locations in the Innere Stadt, including Josephsplatz and Mölkerbastei. Using film stills and audio clips, it recreates the film's mood while exploring Vienna’s historic centre. It focuses on the architectural and urban settings that shaped the story, without entering the sewers. Another tour, 3. Mann Tour – Sewer, descends into the functional sewers where the film’s climactic chase was shot. You’ll traverse walkways above flowing wastewater while projections of film scenes play on tunnel walls. It’s an immersive, if somewhat damp, experience. Tours are popular and require advance booking.

Explore one of the Cold War’s most top-secret defence facilities, located in a 1950's subterranean hangar 30 metres below the rock surface. Aeroseum is an aviation discovery centre packed with fascinating experiences for people of all ages. Visitors can explore, experience, and experiment in the 22,000-square-metre subterranean hangar. Exhibits include Draken and Viggen warplanes, civil aircraft, helicopters, engines and more.

Also known as St Leopold's Church, this Art Nouveau masterpiece by Otto Wagner defines Vienna’s architectural cityscape and is recognised as the first example of a Modernist church in Europe. Distinctive components of Art Nouveau style were the ornaments that are especially exposed on the dome of the church and on the altar.