Nearby Attractions - Walnut Canyon National Monument (U.S. National Park Service) Riordan Mansion State Park. 'Ancient Times' - the park newspaper. Flagstaff Convention & Visitors Bureau. td>
Walnut Canyon National Monument (U.S. National Park Service) Riordan Mansion State Park. Walnut Canyon National Monument|Riordan Mansion State Park.
Walnut Canyon National Monument (U.S. National Park Service) Riordan Mansion State Park. Walnut Canyon National Monument|Riordan Mansion State Park.