Entrance to Auschwitz Concentration Camp, Oswiecim, Poland, Europe

Views of rough seas in the Bransfield Strait between the South Shetland Islands and Antarctic Peninsula

The Lindblad Expeditions ship National Geographic Explorer pushes through ice in Crystal Sound, south of the Antarctic Circle

Golden loudspeaker of an old gramophone, Basel, Switzerland

Minaret of the Great Mosque of Asmara, also known as Al Kulafah Al Rashidan, Asmara, Central Region, Eritrea

Loudspeaker Used For The Adhan Or Call To Prayer On Ibo Island, Quirimbas National Park, Cabo Delgado, Mozambique

A woman sitting on the floor next to a record player looking at a record sleeve

Interior of music recording studio

Along the Oregon coast stands a Tsunami alarm system, Bandon, OR

Low angle view of outdoor speakers

Three loudspeakers on wall