Case 31: A monument.

Case 23: vintage aerial view of a coastal airfield with twin-engine propeller aircraft on a grass runway

Case 21: Kyffhäuser Denkmal in the Harz Mountains of Germany

Case 17: mid-20th century street scene featuring a prominent Ottoman-style minaret and domed mosque

Case 16: mid-20th century industrial port scene featuring a rusted cargo ship ("Волчанск")

Where is this: two men in 1950s-era suits stand near Nelson’s Column in London’s Trafalgar Square

Where is this: three children pose on a snow-covered railing in a winter cityscape, likely mid-20th century

Where is this: a vintage black-and-white photo of a high-speed passenger boat cutting through

Where is this: 1960s hydrofoil ferry crossing Neva River, St

Where is this: mid-20th century urban scene with Soviet-era apartment blocks, flat roofs, and

Where is this: panoramic view of the Panathenaic Stadium (Kallimarmaro), Athens, Greece