A photo of Dunning's Spring is one of four possible covers of the next Iowa Travel Guide.
The Iowa Department of Tourism has announced it is running a Facebook contest through Noon on Friday. Fans of Dunning's Spring can cast their vote for at www.facebook.com/IowaTourism .
Iowa Tourism Office Manager Shawna Lode says, "We're showcasing the state from the iconic Field of Dreams to surprising natural beauty in Decorah's Dunning's Spring and outdoor retreats in Clay County to beautiful Reiman Gardens, which celebrates 20 years in 2015."
Fans may vote once a day per Facebook profile. The winning cover will be announced on Friday afternoon.
The Iowa Tourism Office distributes more than 100,000 copies of the Iowa Travel Guide annually to travelers from every state and around the world. The new guide will be available in the spring of 2015.