Interesting museums in Turkey include:

The city of Turku is not very big, but it has many museums. If you are interested in museums, you can visit several of them within three days, and some of them are quite unique!

A castle with unique features, originally built in the 13th century during the Swedish dynasty. The current castle represents its appearance from the 1500s.
There are three parts. 1. Maria Prymatsenkon's solo art exhibition. Amazing color schemes by this self-taught artist. 2. Introduction to the remains of the old street houses, offering a glimpse into the old Turku streets. 3. Some contemporary paintings. Open from 11 am to 7 pm. There are also a few floating colorful penguins on the surface of the Aura River by the entrance.
Recreate the appearance of Turgu in the 1800s. The place survived the Great Fire of Turgu in 1827.
Two floors, with a special exhibition of modern art on the first floor and works by local Finnish painters on the second floor. The museum building itself is also unique. Opening hours: 11 am to 7 pm; closed on Mondays.