Urban weekend
Modernism, Art Deco, current restaurants, one bar or performance. Best without a car.
A 36-hour Kaunas itinerary built around modernism, food, Pažaislis, current events and enough breathing room to enjoy the city.
Do the centre on foot: Laisvės alėja, modernist façades, the shift from imperial provincial town to a capital that had to invent itself quickly. Do not start with a taxi tour of “top sights”.
Use the Food Worth the Detour finder: DIA, SIJA or Uoksas if dinner is the event; other choices if it is not. A good route does not spend tasting-menu money on a night when everyone is exhausted from flying.
Architecture outside is half the story. Pair the modernist walk with an interior experience such as the Art Deco Museum when availability fits.
Mokslo Sala for design/science, or move east to Pažaislis and the lagoon if the weather deserves it. The second option can flow naturally into Monte Pacis rather than creating a separate dinner commute.
Fluxus, AUDRA, Žalgiris, a concert or nothing at all. Check What's On before booking the Saturday. A strong event can be the reason to reverse the whole day.
If your flight/train is later, Birštonas is the kind of extension that earns a half-day only when you want spa, river and food together. If not, stay in Kaunas and enjoy not travelling.
36 hours works: yes.
Best upgrade: one event, one interior, one dinner chosen for the group.
Worst upgrade: adding three attractions because Google says they are nearby.
Modernism, Art Deco, current restaurants, one bar or performance. Best without a car.
City core first, then monastery, lagoon and a dinner that belongs to the location.
Book the event first. Build the rest around where you actually need to be that night.
Want the weekend fitted to you?
I can strip out the wrong half of the generic itinerary and build the 36 hours around what your group actually wants.
Dinner is part of the route
A tasting menu, casual local favourite and arena-night dinner are three different planning problems.