Taga Shrine
Although Taga doesn't get much press at the local tourist office, it's probably the most unusual sight in town: the shrine is an ancient Shinto fertility shrine, full of phalluses of all shapes and sizes, including a mighty carved log that gets carried about on festival days. It's located on the north side of the river, not far from the better known Warei Shrine.
Dekoboko ShindÅ
Located on the grounds of the Taga Shrine, this is essentially a three-story sex museum devoted to fertility and its graphical expressions. Two of them are found in the name: the kanji å¸ and å¹ usually mean "convex" and "concave" respectively, but the shrine's logo makes things clearer by placing the pointy bit under the one with the gap.
Uwajima Castle
Uwajima Castle occupies a strategic location at the heart of the city. Unlike most of Japan's castles, it's actually an original dating to 1665, not just a ferroconcrete shell. That said, the castle is comparatively small and modest.
Warei Shrine
A large, comparatively staid Shinto shrine, probably Uwajima's best-known attraction among the Japanese. Not worth a detour, but you'll be passing by on your way to the Taga Shrine anyway.