Though Kagashima might not have many top sights, you can venture to the surrounding area to see attractions like Gifu City Science Museum and Museum of Fine Arts.
If you're looking for some top things to see and do in Tsukasamachi and surrounding area, you can visit Gifu City Museum of History and Mt. Kinka Ropeway.
When in Honjocho, you can plan a visit to Gifu City Science Museum and Museum of Fine Arts, some noteworthy sights in the nearby area.