Suzurii Tenman-gu Shrine is a holy place where the spiritually minded come together to pray. You can do the same, or simply observe others in worship.
Located in Tamano, this sacred place is worth a look. But you'll find plenty more to explore in the area. Omocha Okoku, Naoshima Public Bath, and Shibukawa Beach aren't too far from Suzurii Tenman-gu Shrine.