| Oban |
UK, Scotland |
McCaig's Tower, Dunadd Castle, Inverary Castle |
| Oberammergau |
Germany |
Passion Play, frescoe decorated houses, woodcarving, Schloss Linderhof |
| Oberwesel |
Germany |
|
| Oberwinter |
Germany |
Church, 17/18C Houses, Cochem, Beilstein |
| Oder River |
Rivers |
|
| Oderberg |
Germany |
Gothic church, Bgrenkasten Castle, Villages Museum |
| Odessa |
Ukraine |
Potemkin Steps, Opera House, Cathedrals |
| Ohio River |
USA |
Scenic river valley, Madoson, Louisville, Mount Vernon |
| Oise River |
France |
Compiegne, Auvers sur Oise, Pointoise |
| Olhao |
Portugal |
Fishing Town, Fuseta, Moncarapacho, Faro |
| Ollantaytambo |
Peru |
Massive citadel |
| Oltenitza |
Romania |
|
| Oppenheim |
Germany |
German Winegrowing Museum |
| Orang National Park |
India |
Rhino, leopard, elephant, barking deer, tiger |
| Orb Aqueduct |
France |
Longest Aqueduct on the Canal du Midi |
| Orsova |
Romania |
|
| Oryahovo |
Bulgaria |
Museums, Parks |
| Osijek |
Croatia |
Tvrdja baroque houses & fortress |
| Ostende |
Belgium |
Seaside resort town, Europa Tower, Bruges, Ghent |
| Ottawa (IL) |
USA, Illinois |
Washington Park, Historic Buildings |
| Ouachita River |
USA |
Monroe, Louisiana |
| Oude Wetering |
Netherlands |
Keukenhof Gardens |
| Oudenaarden |
Belgium |
Ghent |
| Ouderkerk |
Netherlands |
Quaint little town |
| Oudeschild |
Netherlands |
Texel beaches and birds |
| Ouzouer-sur-Trézée |
France |
Chateau Sully sur Loire |