Man-made Marble Engravings in Collage Form of Notable Landmarks by World Landmarks Ltd., Joliet, Illinois. Back: Diagram and Identification of Peoria Buildings and Landmarks in Engraving. Fulton Plaza, Old Rock Island Depot, Wildlife Prairie Park, Twin Towers, Flanagan House, Trieble Monument, Bradley Hall, Water Tower Peoria, Heights, Murray Baker Bridge, Peoria Civic Center, Julia Belle Swain, Caterpillar Headquarters.