The Bank Vault Landmark in Dunnigan, California, stands as an architectural wonder on Main Street, boasting its status as a historical landmark with its unique design of being the only round, glass-walled bank building with underground vault storage worldwide. Nearby, the Libertyville State Farm Agent office offers insurance services to residents and visitors. Dunnigan is also rich in fishing spots like the Yuba River, Coyote Pond Park, Cache Creek Regional Park, Putah Creek, East Park Reservoir, and San Francisco Maritime National Historical Park, which provides a glimpse into Pacific maritime history.