Historic Demel pastry shop on the Graben—try a Melange and a Sachertorte slice; Demel typically opens in the morning (often ~8:00–9:00) but check day-of opening times.
Iconic Gothic cathedral in the heart of Vienna; visit the nave and (if open) the Tower platform for views. Cathedral is accessible most of the day — towers and certain areas have separate opening hours and fees, so check times on the day.
Walk the main pedestrian shopping artery from Stephansplatz to the State Opera — good for window shopping and quick souvenirs; shops generally open ~10:00–19:00.
Take a guided tour of the Opera House to see the auditorium and learn about its history; tours normally run during the day (roughly 9:00–17:00) — book in advance if possible.
Classic Viennese schnitzel at Figlmüller (very popular) or a cozy lunch spot nearby; expect a busy lunch service—reservations recommended for Figlmüller.
World-class print collection and rotating exhibitions right next to the State Opera; open typically from 10:00–18:00 — check current exhibitions and book tickets if there's a major show.
Explore the Hofburg complex: stroll the Imperial Apartments, Sisi Museum and the exterior Spanish Riding School. Hofburg museums often open ~9:00–17:00; Spanish Riding School public trainings and performances are on a schedule — verify the day's training/performance times before you go.
See the grand Burgtheater on Universitätsring; guided tours run occasionally — if a tour is available it’s well worth booking, otherwise enjoy the building exterior and nearby University Quarter.
Enjoy classic Viennese small plates and wines at Schwarzen Kameel (or choose a traditional restaurant nearby); reservations recommended for evening meals.
Stroll around the illuminated historic center or attend an evening concert/opera if available (check Vienna State Opera or local concert halls for tickets).
Start at Schönbrunn early to tour the palace interiors and then the gardens; the palace rooms typically open around 9:00 but the gardens/park are accessible earlier — book the Grand Tour in advance to avoid queues.
See Austrian art including Klimt’s 'The Kiss' in the Upper Belvedere; museums normally open around 10:00–18:00 — plan 1–2 hours for the main collections.
Visit the colorful, whimsical Hundertwasserhaus façade and take photos of this unique piece of modern architecture; only the exterior is accessible as apartments are private — always open to view from the street.
Explore one of the world’s great art collections (Old Masters, Egyptian and Classical antiquities) opposite Maria-Theresien-Platz — KHM generally opens ~10:00–18:00, allow 1.5–2 hours.
The Natural History Museum sits opposite KHM on Maria-Theresien-Platz — great for mineral, fossil and natural science displays; check closing time (typically early evening) and prioritize favorite halls.
Walk past the City Hall to see the Rathausplatz and then relax at the MuseumsQuartier courtyard café; MQ is a lively cultural quarter and the plaza and courtyards are open late (museum interiors have separate hours).
Head to the Prater for a classic ride on the Riesenrad and a quick stroll through the park/parkland; the area is open late and the Ferris wheel hours vary by season (often until 21:00–22:00) — check exact times.
Catch an early Railjet to maximize your Salzburg day; journey time is around 2h30m–2h45m depending on the service — book ÖBB tickets in advance for best prices and seat reservations.
Start at the baroque Mirabell Gardens, famous for its parterres and views toward the fortress — gardens are open to the public (typically early morning to evening).
Visit the grand Residenzplatz and the Salzburg Residenz museum/rooms; the Residenz is typically open daytime (roughly 9:00–17:00) — allow an hour for the palace and museum.
Step inside the impressive Salzburg Cathedral, a centerpiece of the Old Town — cathedral interiors are usually open for visitors most of the day, but check times for services which may restrict access.
Enjoy lunch at a historic Salzburg restaurant — St. Peter’s environs or a café on Getreidegasse offer excellent local specialties; allow time to relax before the afternoon program.
If you skipped interior rooms earlier, complete the Residenz visit, or pop into Mozarts Geburtshaus/Spielzeugmuseum depending on interests (tickets separate).
Travel out to Hellbrunn Palace to see the trick fountains and the palace grounds — trick fountain tours run on a schedule and the attraction closes earlier than town museums (usually ~17:00) so plan accordingly and check times in advance.
Take an evening Railjet back to Vienna; choose a return that gets you back at a convenient hour for dinner in Vienna (train times vary, so select a service that fits your energy level).