Historic District: Main St. btw Harold Giss Pkwy & First St. Casino on East Side of Main St. Kress an upscale eatery on West Side of Main St. Large Fountain on Main St. & Third St. Smaller Fountain on West Side near Second St. Looking South Down Main St. from Second St. Looking North Moviehouse on East Side First St. with Historic San Carlos Bldg on West Side Southern Pacific Locomotive at Pivot Plaza Pivot Plaza with Colorado River in Distance Map of Riverfront Sites Another View of Pivot Plaza History of Territorial Prison Prison History Continued Entrance to Territorial Prison Guard House Visitor Center Through the Fence Building Across from Visitor Center