 | Sid Richardson MuseumOrt · Fort Worth | Michael Barera | CC BY-SA 4.0 | Original ↗ |
 | Siebener-DenkmalOrt · Stuttgart | Milgesch | Public domain | Original ↗ |
 | Siedlung MalchowOrt · Berlin | Christian Liebscher ( Platte ) | CC BY-SA 3.0 | Original ↗ |
 | Siège de l'UNESCOOrt · Paris | Fred Romero from Paris, France | CC BY 2.0 | Original ↗ |
 | SiegessäuleOrt · Berlin | Zonk43 | CC BY-SA 3.0 | Original ↗ |
 | SiegestorOrt · München | Martin Falbisoner | CC BY-SA 3.0 | Original ↗ |
 | Siegmundstor Tunnel SalzburgOrt · Salzburg | Isiwal | CC BY-SA 4.0 | Original ↗ |
 | SiemensstegOrt · Berlin | ThoKay | CC BY 2.5 | Original ↗ |
 | Sienna 67Ort · Warschau | Adrian Grycuk | CC BY-SA 3.0 pl | Original ↗ |
 | Sienna 86Ort · Warschau | Panek | CC BY-SA 4.0 | Original ↗ |
 | Sigismund BellOrt · Krakau | Sensor | CC BY 2.5 | Original ↗ |
 | Sigismund's ColumnOrt · Warschau | Adrian Grycuk | CC BY-SA 3.0 pl | Original ↗ |
 | Sigmund Freud MuseumOrt · Wien | C.Stadler/Bwag | CC BY-SA 4.0 | Original ↗ |
| SigmundstorOrt · Salzburg | Isiwal | CC BY-SA 4.0 | Original ↗ |
 | Signatories HouseOrt · Vilnius | Julius | CC BY 2.5 | Original ↗ |
 | Signatures On BloorOrt · Toronto | Dillan Payne | CC BY-SA 4.0 | Original ↗ |
 | Signers' MemorialOrt · Washington | self | CC BY 3.0 | Original ↗ |
 | SIGNtific at Science MuseumOrt · London | Shadowssettle | CC BY-SA 4.0 | Original ↗ |
 | Siilinkarin MajakkaOrt · Tampere | kallerna | CC BY-SA 4.0 | Original ↗ |
 | Silberstein 54Ort · Berlin | Assenmacher | CC BY-SA 3.0 | Original ↗ |
 | SilberturmOrt · Frankfurt am Main | Epizentrum | CC BY-SA 3.0 | Original ↗ |
 | Silent Wings MuseumOrt · Lubbock | Leaflet | CC BY-SA 3.0 | Original ↗ |
 | Siljansvägen 74Ort · Stockholm | Dmitry G | Public domain | Original ↗ |
 | Sillwood HallOrt · Brighton | Hassocks5489 | CC0 | Original ↗ |
 | Silo de HortalezaOrt · Madrid | Diario de Madrid | CC BY 4.0 | Original ↗ |
 | Siloturm BaselOrt · Basel | Roland Zumbühl | CC BY-SA 3.0 | Original ↗ |
 | SilvánskaOrt · Bratislava | Marián 2 | CC BY 3.0 | Original ↗ |
 | SilverwellsOrt · Brisbane | Shiftchange | CC0 | Original ↗ |
 | Simeone Foundation Automotive MuseumOrt · Philadelphia | JosephChiaccio | CC BY-SA 4.0 | Original ↗ |
 | Simeon Moore HouseOrt · Louisville | Nyttend | Public domain | Original ↗ |
 | SIMI CASAOrt · Mexiko-Stadt | Zenko81 | Public domain | Original ↗ |
 | Simina 17Ort · Belgrad | Vano111ru | CC BY 4.0 | Original ↗ |
 | Simler HallOrt · Montgomery | Community College of the Air Force | Public domain | Original ↗ |
 | SimmeringerOrt · Wien | GuentherZ | CC BY 3.0 | Original ↗ |
 | Simmons-Edwards HouseOrt · Charleston | ProfReader | CC BY-SA 3.0 | Original ↗ |
 | Simon Benson HouseOrt · Portland | Another Believer | CC BY-SA 3.0 | Original ↗ |
 | Simón-Bolívar-BüsteOrt · Bremen | Verograph | CC BY-SA 3.0 | Original ↗ |
 | Simon Gugenheim HouseOrt · Corpus Christi | unbekannt | CC BY-SA 3.0 | Original ↗ |
 | Simpsonville Mill RuinsOrt · Columbia | Historic American Buildings Survey/Historic American … | Public domain | Original ↗ |
 | Sinagoga di TorinoOrt · Turin | Olevy | CC BY-SA 3.0 | Original ↗ |
 | Sinagoga e Museo ebraico di Firenze e SienaOrt · Florenz | דני | CC BY-SA 2.5 | Original ↗ |
 | Sinagoghe e Museo Ebraico di VeneziaOrt · Venedig | Roberta Favia | CC BY-SA 4.0 | Original ↗ |
 | Sincere BuildingOrt · Cleveland | Nyttend | Public domain | Original ↗ |
 | Sinebrychoff Art MuseumOrt · Helsinki | Samuli Lintula | CC BY 2.5 | Original ↗ |
 | Singelgrachtbrug (3 spoorbruggen)Ort · Amsterdam | Bert van As | CC BY-SA 4.0 | Original ↗ |
 | Singelgracht CanalOrt · Amsterdam | Michiel1972 | CC BY-SA 3.0 | Original ↗ |
 | Single Brothers HouseOrt · Winston-Salem | P. Hughes | CC BY 4.0 | Original ↗ |
 | SinnataggenOrt · Oslo | Olivier2000 | Public domain | Original ↗ |
 | Sinsen PanoramaOrt · Oslo | Trond Strandsberg | CC BY-SA 3.0 | Original ↗ |
 | Sinsenveien11Ort · Oslo | Trond Strandsberg | CC BY-SA 3.0 | Original ↗ |
 | Sint-AnnagodshuisOrt · Antwerpen | Vandevorst, Kris | CC BY 4.0 | Original ↗ |
 | Sint-AnnatunnelOrt · Antwerpen | Vlaamse Gemeenschap | CC BY 4.0 | Original ↗ |
 | Sint-AntoniusstraatOrt · Antwerpen | Torsade de Pointes | Public domain | Original ↗ |
 | Sint-BaafsabdijOrt · Gent | Paul Hermans | CC BY-SA 3.0 | Original ↗ |
 | Sint CatharinapleinOrt · Antwerpen | Vandevorst, Kris | CC BY 4.0 | Original ↗ |
 | Sint-Gertrudiskerk (Utrecht)Ort · Utrecht | Japiot | CC BY 3.0 | Original ↗ |
 | Sint-JacobstraatOrt · Rotterdam | Marcel Douwe Dekker | CC BY-SA 4.0 | Original ↗ |
 | Sint-JanshavenOrt · Rotterdam | Ymblanter | CC BY-SA 4.0 | Original ↗ |
 | Sint-JanshuismolenOrt · Brügge | Marc Ryckaert | CC BY 2.5 | Original ↗ |
 | Sint NiklaaskapelOrt · Antwerpen | Ad Meskens | CC BY-SA 3.0 | Original ↗ |
 | Sint-PietersabdijOrt · Gent | Paul Hermans | CC BY-SA 3.0 | Original ↗ |
 | SinwellturmOrt · Nürnberg | W. Bulach | CC BY-SA 4.0 | Original ↗ |
 | Siracusa, Sicilia - Teatro Greco - III sec acOrt · Syrakus | AlexanderVanLoon | CC BY-SA 3.0 | Original ↗ |
 | Sir Adam Beck MonumentOrt · Toronto | unbekannt | CC BY-SA 3.0 | Original ↗ |
 | Sir Alfred T. Goshorn HouseOrt · Cincinnati | Greg Hume ( Greg5030 ) | CC BY-SA 3.0 | Original ↗ |
 | Sir George-Étienne CartierOrt · Montreal | Isabelle Gilbert | CC BY-SA 3.0 | Original ↗ |
 | Sirius BuildingOrt · Sydney | Eastberliner | CC BY-SA 3.0 | Original ↗ |
 | Sir John a Macdonald StatueOrt · Toronto | Daderot | CC0 | Original ↗ |
 | Sir John de Graham's CastleOrt · Glasgow | Robert Murray | CC BY-SA 2.0 | Original ↗ |
 | Sir John Soane's MuseumOrt · London | Tony Hisgett from Birmingham, UK | CC BY 2.0 | Original ↗ |
 | Sir William Glasgow MemorialOrt · Brisbane | Figaro | Public domain | Original ↗ |
 | Sir William Wallace MemorialOrt · London | Mike Young at English Wikipedia | Public domain | Original ↗ |
 | Sir Winston Churchill StatueOrt · Washington | Carol M. Highsmith | Public domain | Original ↗ |
 | Sisi-KapelleOrt · Wien | C.Stadler/Bwag | CC BY-SA 3.0 at | Original ↗ |
 | Sista Styverns trapporOrt · Stockholm | Holger.Ellgaard | CC BY-SA 3.0 | Original ↗ |
 | Sister CitiesOrt · Los Angeles | Rosapicci | CC BY-SA 4.0 | Original ↗ |
 | Site archéologique de la Cathédrale Saint-PierreOrt · Genf | Yann (talk) | CC BY-SA 4.0 | Original ↗ |
 | Site of Edgar Allan Poe's DeathOrt · Baltimore | William Abbott Pratt | Public domain | Original ↗ |
 | Site of Osaka Maritime MuseumOrt · Osaka | 663highland | CC BY 2.5 | Original ↗ |
 | Site of Reagan Assassination AttemptOrt · Washington | Michael Evans | Public domain | Original ↗ |
 | Site of the Assassination of Archduke Franz FerdinandOrt · Sarajevo | Achille Beltrame | Public domain | Original ↗ |
 | Site Of The Devil TavernOrt · London | unbekannt | Public domain | Original ↗ |
 | Site of the Fillmore EastOrt · New York | Beyond My Ken | CC BY-SA 4.0 | Original ↗ |
 | Site of the First Government HouseOrt · Sydney | John William Lewin (1770-1819) | Public domain | Original ↗ |
 | Site of the Former Great SynagogueOrt · Vilnius | Unknown authorUnknown author | Public domain | Original ↗ |
 | Site of The TheatreOrt · London | Jwslubbock | CC BY-SA 4.0 | Original ↗ |
 | Site of the Tyburn TreeOrt · London | Unknown authorUnknown author | Public domain | Original ↗ |
 | Site patrimonial du Vieux-Séminaire-de-Saint-SulpiceOrt · Montreal | Jean Gagnon | CC BY-SA 3.0 | Original ↗ |
 | Sitina TunnelOrt · Bratislava | MarkBA | CC BY-SA 3.0 | Original ↗ |
 | Sitio de Memoria Circular de MoreliaOrt · Mexiko-Stadt | ProtoplasmaKid | CC BY-SA 4.0 | Original ↗ |
 | Šítkovská vodárenská věžOrt · Prag | VitVit | CC BY-SA 4.0 | Original ↗ |
 | Sivill HouseOrt · London | unbekannt | CC BY-SA 2.0 | Original ↗ |
 | Siwash RockOrt · Vancouver | unbekannt | CC BY-SA 2.0 | Original ↗ |
 | Six CollectionOrt · Amsterdam | G.Th. Delemarre | CC BY-SA 4.0 | Original ↗ |
 | Six Foot TrackOrt · Sydney | Jameslamb | CC BY 2.5 | Original ↗ |
 | Sixteen G ApartmentsOrt · Portland | Sanfranman59 | CC BY-SA 3.0 | Original ↗ |
 | S. J. Nissen BuildingOrt · Winston-Salem | Indies1 | CC BY 4.0 | Original ↗ |
 | Sjöfartsmuseet Akvariet - GöteborgOrt · Göteborg | Sinikka Halme | CC BY-SA 4.0 | Original ↗ |
 | SjöhistoriskaOrt · Stockholm | Anneli Karlsson, SMM | CC BY 3.0 | Original ↗ |
 | Sjømannskolens BuldreveggOrt · Oslo | Øyvind Holmstad | CC BY-SA 3.0 | Original ↗ |