Sarkanniemi recreation and amusement center: Aquarium, Planetarium, Nasineula observation tower, dolphinarium, amusement park. Sara Hildem Art Museum; Market Hall, Central Square (afternoon market in summer Mon-Fri and the monthly market day); Laukontori market. Cathedral (1907); Messukyla Old Church (15th century); the Old Church at Central Square (1824); City Library (1986 Reima Pietila); Pyynikki Observation Tower (1929); Pyynikki Ridge; Pispala Ridge. Pyynikki Open Air Theater (revolving auditorium). The old factory buildings along the Tammerkoski Rapids (early history of Tampere). Lake Cruises: The Finnish Silver Line offers several alternatives between Tampere and Hameenllinna (85 kms/53 miles to the south). Sailing season June – August. The old steamer ‘Tarjanne’ sails along the Poet’s Way between Tampere and Virrat (115 kms/71,5 miles to the north). There are also several cruises on both Lake Pyhajarvi and Lake Nasijarvi as well as charter cruises.