Matches in DBpedia 2014 for { ?s <http://dbpedia.org/property/condition> ?o. }
- Odzaberd condition "Ruins".
- Odziena_Manor condition "Roof and Interior in ruins".
- Okayama_Castle condition "Concrete replica".
- Okehampton_Castle condition "Ruined".
- Okno condition "Operational".
- Olbia,_Ukraine condition "Ruined".
- Old_Blockhouse condition "Ruined".
- Old_Fort_of_Nassau condition "Destroyed and replaced by British Colonial Hilton Nassau".
- Old_Warden_Castle condition "Earthworks".
- Olenegorsk_Radar_Station condition "operational".
- Olesko_Castle condition "Survives in good condition.".
- Olympos_(Lycia) condition "Ruined".
- Olynthus condition "Ruined".
- Ondonga_Airfield condition "abandoned".
- Onizuka_Air_Force_Station condition "Demolished".
- Optatiana_(castra) condition "Ruined".
- Orford_Castle condition "Keep remains".
- Osaka_Castle condition "Reconstructed".
- Osterburg_(Groothusen) condition "Preserved or largely preserved".
- Ostrovica_Fortress condition "razed to the ground".
- Ostrvica_(castle) condition "ruined".
- Otter_Cliffs_Radio_Station condition "Demolished".
- Ourches_Aerodrome condition "Agricultural area".
- Ourrouar condition "built up".
- Ouvrage_Aumetz condition "Abandoned".
- Ouvrage_Bambesch condition "Restored".
- Ouvrage_Barbonnet condition "Preserved".
- Ouvrage_Berenbach condition "Abandoned".
- Ouvrage_Bois-Karre condition "Preserved".
- Ouvrage_Boussois condition "Abandoned".
- Ouvrage_Cap_Martin condition "Preserved".
- Ouvrage_Chesnois condition "Abandoned".
- Ouvrage_Col_de_Garde condition "Abandoned".
- Ouvrage_Col_des_Banquettes condition "Unsecured".
- Ouvrage_Croupe_du_Reservoir condition "Occupied".
- Ouvrage_Einseling condition "Flooded, surface maintained".
- Ouvrage_Ferme_Chappy condition "Abandoned and secured".
- Ouvrage_Fermont condition "Preserved".
- Ouvrage_Four-à-Chaux condition "Preserved".
- Ouvrage_Galgenberg condition "Preserved".
- Ouvrage_Hochwald condition "In use by French Air Force".
- Ouvrage_Immerhof condition "Preserved".
- Ouvrage_Kobenbusch condition "Flooded".
- Ouvrage_L'Agaisen condition "Preserved".
- Ouvrage_La_Ferté condition "Preserved as a war memorial".
- Ouvrage_La_Salmagne condition "Preserved".
- Ouvrage_Mauvais-Bois condition "Abandoned".
- Ouvrage_Mont_Agel condition "Occupied".
- Ouvrage_Oberheid condition "Abandoned".
- Ouvrage_Saint-Roch condition "Preserved".
- Ouvrage_Sainte-Agnès condition "Restored".
- Ouvrage_Schoenenbourg condition "Preserved".
- Ouvrage_Soetrich condition "Abandoned, buried".
- Ouvrage_Thonnelle condition "Abandoned".
- Ouvrage_Vélosnes condition "Abandoned, nature preserve".
- Owston_Ferry_Castle condition "ruin".
- Oxford_Castle condition "Ruined, elements used as a hotel".
- Oystermouth_Castle condition "Ruin".
- Ozark_Medieval_Fortress condition "In construction".
- Palanok_Castle condition "Survives in good condition; some parts in disrepair.".
- Palike condition "Ruined".
- Palikulo_Bay_Airfield condition "abandoned".
- Pallipuram_Fort condition "Structure".
- Palmyra condition "Ruined".
- Panticapaeum condition "Ruined".
- Parc_Cwm_long_cairn condition "nearly intact".
- Paris_Codex condition "badly damaged".
- Parois_Airdrome condition "Agricultural area".
- Parson's_Lodge_Battery condition "Good".
- Partiscum_(castra) condition "Ruined".
- Pasargadae condition "In ruins".
- Pasir_Panjang_Pillbox condition "Good".
- Patara_(Lycia) condition "Ruined".
- Paull_Holme_Tower condition "Ruined".
- Payne_Field condition "abandoned fields".
- Pechora_Radar_Station condition "operational".
- Pejačević_Castle_in_Virovitica condition "Slightly renovated".
- Pelendava_(castra) condition "Ruined".
- Pembroke_Castle condition "Partially restored".
- Pendennis_Castle condition "Intact with later modifications".
- Pendragon_Castle condition "ruins".
- Penn_Field_(Airfield) condition "Redeveloped into urban area".
- Pergamon condition "Ruined".
- Persepolis condition "In ruins".
- Peterborough_Castle condition "Earthworks only survive".
- Pevensey_Castle condition "Ruin".
- Peveril_Castle condition "Ruins".
- Phaistos condition "Current interventions are tamped soil, stone walkways, hand rails, lightly roofed areas. More are planned in the interests of preservation and access.".
- Phan_Rang_Air_Base condition "Seized 1975 by PAVN, in use as military airfield".
- Phanagoria condition "Ruined".
- Phaselis condition "Ruined".
- Phù_Cát_Air_Base condition "Seized 1975 by PAVN, in use as military airfield".
- Piardoba_Airfield condition "Abandoned".
- Piatra_Roșie_Dacian_fortress condition "Ruined".
- Piel_Castle condition "Ruined".
- Pikestones condition "some damage".
- Pilsbury_Castle condition "Earthworks only remain".
- Piltene_Castle condition "Ruins".
- Pionersky_Radar_Station condition "operational".
- Pitsligo_Castle condition "Ruin".