 | Masonic Temple BuildingOrt · Raleigh | Alexisrael | CC BY-SA 3.0 | Original ↗ |
 | Masonic Temple (Gainesville, Florida)Ort · Gainesville | Ebyabe | CC BY-SA 3.0 | Original ↗ |
 | Masonic Temple LtdOrt · Liverpool | Rept0n1x | CC BY-SA 3.0 | Original ↗ |
 | Mason School ApartmentsOrt · Omaha | Ammodramus | CC0 | Original ↗ |
 | Masons' HallOrt · Richmond | Taber Andrew Bain from Richmond, VA, USA | CC BY 2.0 | Original ↗ |
 | Maspalomas LighthouseOrt · San Bartolomé de Tirajana | Rimshot | CC BY-SA 3.0 | Original ↗ |
 | Massachusetts ArchivesOrt · Boston | Kenneth C. Zirkel | CC BY-SA 4.0 | Original ↗ |
 | Massachusetts Fallen Firefighters MemorialOrt · Boston | Another Believer | CC BY-SA 4.0 | Original ↗ |
 | Massachusetts Korean War Veterans MemorialOrt · Boston | Greger Ravik | CC BY 2.0 | Original ↗ |
 | MassénaOrt · Paris | Vincent BABILOTTE | CC BY 2.5 | Original ↗ |
 | Massey Shaw Education TrustOrt · London | mattbuck (category) | CC BY-SA 4.0 | Original ↗ |
 | Massey TowerOrt · Toronto | Canmenwalker | CC BY 4.0 | Original ↗ |
 | Mass Law Enforcement MemorialOrt · Boston | Another Believer | CC BY-SA 4.0 | Original ↗ |
 | Mastio della CittadellaOrt · Turin | ElisaSit | CC BY-SA 4.0 | Original ↗ |
 | MaterNatureOrt · Matera | Istvánka | CC BY-SA 3.0 | Original ↗ |
 | Mathematisch-Physikalischer SalonOrt · Dresden | X-Weinzar | CC BY-SA 3.0 | Original ↗ |
 | Mather StudiosOrt · Washington | Gnupratchett | CC0 | Original ↗ |
 | Mather TowerOrt · Chicago | MusikAnimal | CC BY-SA 4.0 | Original ↗ |
 | Matheson History MuseumOrt · Gainesville | Ebyabe | CC BY-SA 3.0 | Original ↗ |
| Matheson HouseOrt · Gainesville | Ebyabe | CC BY-SA 3.0 | Original ↗ |
 | Maths CityOrt · Leeds | Benjamin Smith | CC BY-SA 4.0 | Original ↗ |
 | Matisse MuseumOrt · Nizza | takato marui | CC BY-SA 2.0 | Original ↗ |
 | MatitoneOrt · Genua | qwesy qwesy | CC BY 3.0 | Original ↗ |
 | Matson Building and AnnexOrt · San Francisco | Sanfranman59 | CC BY-SA 3.0 | Original ↗ |
 | Matsue CastleOrt · Matsue | 663highland | CC BY 2.5 | Original ↗ |
 | Matsukura CastleOrt · Takayama | 大野 一将 | CC BY-SA 4.0 | Original ↗ |
 | Matsumoto CastleOrt · Matsumoto | 663highland | CC BY 2.5 | Original ↗ |
 | Matsushiro Literary and Military Arts SchoolOrt · Nagano | photo: Qurren Taken with Canon IXY 10S (Digital IXUS 210) | CC BY-SA 3.0 | Original ↗ |
 | Matsushiro Underground Imperial HeadquartersOrt · Nagano | baku13 | CC BY-SA 2.1 jp | Original ↗ |
 | Matsushita IMP BuildingOrt · Osaka | J o | CC BY-SA 3.0 | Original ↗ |
 | Matthew Henson ResidenceOrt · New York | Dmadeo | CC BY-SA 3.0 | Original ↗ |
 | Matthew Lynch HouseOrt · Providence | Kenneth C. Zirkel | CC BY-SA 3.0 | Original ↗ |
 | Matthias GateOrt · Prag | Diligent | Public domain | Original ↗ |
 | Mattress Factory - Museum of Contemporary ArtOrt · Pittsburgh | Lee Paxton | CC BY-SA 4.0 | Original ↗ |
 | Mátyás-templom toronyOrt · Budapest | Stefan Schäfer, Lich | CC BY-SA 4.0 | Original ↗ |
 | Mauerdenkmal NiederkirchnerstraßeOrt · Berlin | A.Savin | CC BY-SA 3.0 | Original ↗ |
 | Mauer-Mahnmal im Deutschen BundestagOrt · Berlin | Ben Titze | Public domain | Original ↗ |
 | MaupoleumOrt · Amsterdam | Ronald | CC BY-SA 3.0 | Original ↗ |
 | MauritshuisOrt · Den Haag | Roman Boed from The Netherlands | CC BY 2.0 | Original ↗ |
 | MauritstorenOrt · Den Haag | Zairon | CC BY-SA 4.0 | Original ↗ |
 | Maury Street Marker, Jefferson Davis HighwayOrt · Richmond | Morgan Riley | CC BY 3.0 | Original ↗ |
 | Mausoleo de Francisco VillaOrt · Chihuahua | Juan Pablo Gutiérrez Balderrama | CC BY-SA 3.0 | Original ↗ |
 | Mausoleo di Annia RegillaOrt · Rom | Kleuske | CC BY 2.5 | Original ↗ |
 | Mausoleo di AugustoOrt · Rom | MumblerJamie | CC BY-SA 2.0 | Original ↗ |
 | Mausoleo di Cecilia MetellaOrt · Rom | Livioandronico2013 | CC BY-SA 4.0 | Original ↗ |
 | Mausoleo di Costanzo CianoOrt · Livorno | Etienne (Li) | CC BY-SA 3.0 | Original ↗ |
 | Mausoleo di Galla PlacidiaOrt · Ravenna | Petar Milošević | CC BY-SA 4.0 | Original ↗ |
 | Mausoleo di Lucilio PetoOrt · Rom | Lalupa | CC BY-SA 3.0 | Original ↗ |
 | Mausoleo di TeodoricoOrt · Ravenna | ThePhotografer | CC BY-SA 4.0 | Original ↗ |
 | Mausoleo Imperiale di San Vittore al CorpoOrt · Mailand | Museo nazionale della scienza e tecnologia L. da Vinci, … | CC BY-SA 4.0 | Original ↗ |
 | Mausoleo SchilizziOrt · Neapel | Fn339 | CC BY-SA 4.0 | Original ↗ |
 | Mausoleos RomanosOrt · Córdoba | Américo Toledano | CC BY-SA 3.0 | Original ↗ |
 | Mausoleum HadrianiOrt · Rom | Valina Tsikalá | CC BY-SA 4.0 | Original ↗ |
 | Mausoleum in the Palace Garden CharlottenburgOrt · Berlin | Matthias Süßen | CC BY-SA 4.0 | Original ↗ |
 | Mausoleum of Mao ZedongOrt · Peking | xiquinhosilva | CC BY 2.0 | Original ↗ |
 | Mausoleum of MaxentiusOrt · Rom | Palickap | CC BY-SA 4.0 | Original ↗ |
 | Mausoleum of Saint HelenaOrt · Rom | Mario1952 | CC BY-SA 3.0 | Original ↗ |
 | Mausoleum of Sir Richard and Lady BurtonOrt · London | Bartholomeus Thoth | CC0 | Original ↗ |
 | MauthalleOrt · Nürnberg | Chris06 | CC BY-SA 4.0 | Original ↗ |
 | Mauzoleum MielochowOrt · Posen | Jakub Torenc | CC BY-SA 3.0 | Original ↗ |
 | Mauzoleum Piastów ŚląskichOrt · Breslau | unbekannt | Public domain | Original ↗ |
 | Mauzoleum Walki i MęczeństwaOrt · Warschau | Thunderman83 | Public domain | Original ↗ |
 | Maverick BuildingOrt · San Antonio | Renelibrary | CC BY-SA 3.0 | Original ↗ |
 | Maverick Carter HouseOrt · San Antonio | 25or6to4 | CC BY-SA 3.0 | Original ↗ |
 | Max-Beer-StraßeOrt · Berlin | Jörg Zägel | CC BY-SA 3.0 | Original ↗ |
 | Maxcy MonumentOrt · Columbia | w_lemay | CC BY-SA 2.0 | Original ↗ |
 | Maxdo CentreOrt · Shanghai | Lobo76 | CC BY-SA 3.0 | Original ↗ |
 | Maxfield LoftsOrt · Los Angeles | Sony 1992 | CC0 | Original ↗ |
 | Max Frisch ArchiveOrt · Zürich | ETH-Bibliothek | CC BY-SA 4.0 | Original ↗ |
 | Max-Herrmann-StraßeOrt · Berlin | Angela M. Arnold (=44penguins) | CC BY-SA 3.0 | Original ↗ |
 | Maximilian I. Kurfurst von BayernOrt · München | Rufus46 | CC BY-SA 3.0 | Original ↗ |
 | MaximilianmuseumOrt · Augsburg | GFreihalter | CC BY-SA 4.0 | Original ↗ |
 | MaximilianstraßeOrt · Augsburg | Gliwi | CC BY-SA 3.0 | Original ↗ |
 | MaximilianswerkOrt · München | unbekannt | Public domain | Original ↗ |
 | MaximillianstraßeOrt · München | Rufus46 | CC BY-SA 3.0 | Original ↗ |
 | Max-Liebermann-HausOrt · Berlin | Interfase | CC BY-SA 3.0 | Original ↗ |
 | MaxmonumentOrt · München | Rufus46 | CC BY-SA 3.0 | Original ↗ |
 | MaxtorOrt · München | Rufus46 | CC BY-SA 3.0 | Original ↗ |
 | MaxvorstadtOrt · München | Bbb-Commons | CC BY-SA 3.0 | Original ↗ |
 | Maxwell Museum of AnthropologyOrt · Albuquerque | PerryPlanet | CC0 | Original ↗ |
 | MaxwelltonOrt · Memphis | Jim Roberts | CC BY-SA 4.0 | Original ↗ |
| MaxweltonOrt · Memphis | Jim Roberts | CC BY-SA 4.0 | Original ↗ |
 | Maybach QuartiereOrt · Stuttgart | Silesia711 | CC BY-SA 4.0 | Original ↗ |
 | May BuildingOrt · Pittsburgh | Cbaile19 | CC0 | Original ↗ |
 | May Company BuildingOrt · Los Angeles | MichaelJLocke | CC BY-SA 4.0 | Original ↗ |
 | May Company BuildingOrt · Los Angeles | Unknown author Unknown author | Public domain | Original ↗ |
 | Maydestone ApartmentsOrt · Sacramento | AmandaLaQueso | CC BY-SA 3.0 | Original ↗ |
 | Mayes CottageOrt · Brisbane | Unknown author Unknown author | Public domain | Original ↗ |
| Mayes Cottage MuseumOrt · Brisbane | Unknown author Unknown author | Public domain | Original ↗ |
 | Mayfair Mansions ApartmentsOrt · Washington | Farragutful | CC BY-SA 3.0 | Original ↗ |
 | Mayfield BathsOrt · Manchester | Biguana99 | CC BY-SA 4.0 | Original ↗ |
 | Mayfield-Gutsch EstateOrt · Austin | Larry D. Moore | CC BY 4.0 | Original ↗ |
 | Mayflower ApartmentsOrt · Dallas | Renelibrary | CC BY-SA 4.0 | Original ↗ |
 | May Natural History MuseumOrt · Colorado Springs | Jeffrey Beall | CC BY 4.0 | Original ↗ |
 | Mayport FerryOrt · Jacksonville | Ebyabe | CC BY-SA 3.0 | Original ↗ |
 | Maytag Aircraft BuildingOrt · Colorado Springs | Jeffrey Beall | CC BY-SA 3.0 | Original ↗ |
 | Mazā miesnieka ielaOrt · Riga | Bogdanov-62 | CC BY-SA 3.0 | Original ↗ |
 | Mazā Smilšu, 10Ort · Riga | mini444 | CC BY-SA 3.0 | Original ↗ |
 | McAdory BuildingOrt · Birmingham | Chris Pruitt | CC BY-SA 3.0 | Original ↗ |
 | McArt's FortOrt · Belfast | Raminder Mulla | CC BY-SA 4.0 | Original ↗ |