Trains are maybe not the quickest, but definitely the most interesting way to get to Wolsztyn. The town is a small railway junction with lines to Poznan, calling at Szreniawa and Grodzisk Wielkopolski, to Leszno and to Zbąszynek. There are 7 direct trains to Poznan daily - 5 of them are served with modern, air-conditioned diesel units, and two (departures from Wolsztyn appr. 5:00 and 13:30 and from Poznan approx. 8:30 and 17:00) are serviced by historical steam locos. Additionally tourist can use 5 regular daily connections to a small town of Zbaszynek - which itself has nothing interesting for tourist, but is a crucial railway junction of the way to Berlin (several reliable, but expensive Inter-City trains daily), to Poznań (11 local trains daily + some long-distance ones), to Zielona Góra (4 daily) and to Gorzów (5 daily).
Buses - Wolsztyn has numerous bus links with other town and villges in the region :
and numerous local buses to surrounding villages - for tourist the important ones are buses to Obra (over 25 daily) and to Przemet (6 daily) - both places offer wonderful post-cistersian monasteries.
By car - Wolsztyn is located on the road junction : main road #32 Poznan - Zielona Gora and local ones : #305 to Nowy Tomysl i motorway A2, 303 to Swiebodzin and Babimost-airport , #322 to Wschowa and #315 to Nowa Sol.
The main attraction is definitely the steam-locos depot (ul. Fabryczna 1, phone: +48 68 384 20 08) - thousands of tourist from all over the world come to Wolsztyn to see exactly this building. Permanently there are approx. 30 locomotives of 13 different series (half of them are operating from time to time), historical carriages (used during retro-rodes throughout Greater Poland region or even sent with historic trains to eg. Pomerania).
The depot owns locomotives of rare series like Ok 1 or Ok 22, German war-time steam locos and beautiful Polish post-war constructions like 0l-49, Pt-47 or small TKt48. The pearl of the depot is Pm36-2, one out of only two constructed (and the only existing) steam locos for fast trains - the speed record (beaten actually not long ago) is appr. 130 km/h.
Prices - for the sightseeing: 2 zł, for amateur photo or video: 10 zł, you can visit the depot with a local guide, which cost additional 20 zł.
The other attractions of Wolsztyn are:
a park and palace at the bank of Wolsztyn Lake (with a guarded beach) - ul. Drzymały 4, phone : +48 68 346 93 58
Our Lady parish church - the most precious monument in the town, late-baroque building from the second half of 18th century. The present shape of the building is the result of renovation works in 1925 (sacristy) and 1987 (tower cap) - ul. R. Kocha 38, phone : +48 68 384 20 78, 
Robert Koch (tuberculosis discoverer) Museum - ul. Roberta Kocha 12, phone : +48 68 384 27 36
Marcin Rozek Museum (a famous sculptor from Wolsztyn in the beginnings of 20th century) - ul. 5 Stycznia 34, phone: +48 68 384 26 48, 
Open-air folk buildings Museum at the south-west bank of Wolsztyn Lake - ul. Bohaterów Bielnika 25, phone: +48 68 384 26 19
take part in in steam-engine review, always at the turn of April and May (during the so called long weekend), with the attendance of locos not only from Wolsztyn, but from other steam depots in Poland (Chabówka, Jaworzyna Slaska) and from Germany and Czech Republic.
In the vicinity of Wolsztyn there are many walking paths, cycling and kayak trails:
kayak trail from Karpicko through Wolsztyn, Obra to Grojec (44 km)
kayak trails from Zbaszyn through Strzyżewo to Trzciel (48 km)
walking trail (marked yellow) from Wolsztyn to Nowy Tomysl through Jastrzębsko i Kuźnica Zbaska
numerous cycling trails nearby Nowy Tomysl, north of Wolsztyn