Matches in DBpedia 2014 for { ?s <http://dbpedia.org/property/openToPublic> ?o. }
- Cathal_Brugha_Barracks openToPublic "Partial".
- Cawood_Castle openToPublic "For holiday let".
- Cemilli_Castle openToPublic "Yes".
- Charles_Fort_(Ireland) openToPublic "Yes".
- Charles_V_Wall openToPublic "Yes".
- Charlottenlund_Castle openToPublic "No".
- Chepstow_Castle openToPublic "Yes".
- Chequers openToPublic "No".
- Chitradurga_Fort openToPublic "Yes".
- Christinehof_Castle openToPublic "Yes".
- Chunar_Fort openToPublic "Yes".
- Château_de_Carbonat openToPublic "No".
- Château_de_Loches openToPublic "Yes".
- Château_de_Menthon-Saint-Bernard openToPublic "Yes".
- Château_de_Saint-Ferriol openToPublic "No".
- Château_de_Talmont openToPublic "Yes".
- Château_de_Trévarez openToPublic "Yes".
- Château_des_ducs_de_Bretagne openToPublic "Yes".
- Citadel_of_Aleppo openToPublic "Yes".
- Citadel_of_Arbil openToPublic "Yes".
- Citadel_of_Damascus openToPublic "No".
- Citadel_of_Salah_Ed-Din openToPublic "Yes".
- Cittadella_of_Alessandria openToPublic "Yes".
- Clare_Castle openToPublic "Yes".
- Cliff_End_Battery openToPublic "Yes".
- Clifton_Hall,_Cumbria openToPublic "Yes".
- Clonbeith_Castle openToPublic "Private".
- Coast_Guard_Aviation_Station_Ten_Pound_Island openToPublic "Yes".
- Coast_Guard_Station_Brant_Point openToPublic "Yes".
- Coast_Guard_Station_Cape_Cod_Canal openToPublic "Yes".
- Coast_Guard_Station_Chatham openToPublic "Yes".
- Coast_Guard_Station_Gloucester openToPublic "Yes".
- Coast_Guard_Station_Manomet_Point openToPublic "Yes".
- Coast_Guard_Station_Menemsha openToPublic "Yes".
- Coast_Guard_Station_Merrimack_River openToPublic "Yes".
- Coast_Guard_Station_New_Bedford openToPublic "Yes".
- Coast_Guard_Station_Point_Allerton openToPublic "Yes".
- Coast_Guard_Station_Provincetown openToPublic "Yes".
- Coast_Guard_Station_Scituate openToPublic "Yes".
- Coast_Guard_Station_Toms_River openToPublic "Yes".
- Coast_Guard_Station_Woods_Hole openToPublic "Yes".
- Collins_Barracks,_Cork openToPublic "Partial".
- Conversano_Castle openToPublic "partially".
- Conwy_town_walls openToPublic "Yes".
- Corfe_Castle openToPublic "Yes".
- Corjuem_Fort openToPublic "Yes".
- Cornštejn_Castle openToPublic "June to September daily".
- Cortachy_Castle openToPublic "Private".
- Coventry_Castle openToPublic "Yes".
- Cracroft_Caverns openToPublic "yes".
- Craigie_Castle,_Ayrshire openToPublic "No".
- Craigmillar_Castle openToPublic "Yes".
- Cranganore_Fort openToPublic "Yes".
- Crosbie_Castle_and_the_Fullarton_estate openToPublic "Yes".
- Cross_City_Air_Force_Station openToPublic "Yes".
- Croy_Castle openToPublic "No, Office building".
- Cruggleton_Castle openToPublic "Yes".
- Culcreuch_Castle openToPublic "Yes".
- Culver_Battery openToPublic "Yes".
- Dacre_Castle openToPublic "No".
- Dairsie_Castle openToPublic "No".
- Dean_Castle openToPublic "Yes".
- Deddington_Castle openToPublic "Yes".
- Defense_Intelligence_Agency_Headquarters openToPublic "No".
- Defensible_Barracks openToPublic "No".
- Degerberget_Fort openToPublic "No".
- Denham_Castle openToPublic "No, but closely viewable from public path".
- Denklingen_Castle openToPublic "Yes".
- Depedogen openToPublic "Yes".
- Despot_Stefan_Tower openToPublic "Yes".
- Devil's_Gap_Battery openToPublic "Partially".
- Devil's_Tongue_Battery openToPublic "Can be viewed from the outside".
- Devín_Castle openToPublic "nonstop, opening hours apply to the museum".
- Dinaburga_Castle openToPublic "yes".
- Dindigul_Fort openToPublic "Yes".
- Dirleton_Castle openToPublic "Yes".
- Dolbadarn_Castle openToPublic "Yes".
- Dolforwyn_Castle openToPublic "Yes".
- Doornenburg_Castle openToPublic "Yes".
- Doorwerth_Castle openToPublic "Yes".
- Doune_Castle openToPublic "Yes".
- Drakensteyn openToPublic "No".
- Drumcoltran_Tower openToPublic "Yes".
- Drégely_Castle openToPublic "Yes".
- Dudley_Castle openToPublic "Yes".
- Duffus_Castle openToPublic "Yes — (No entry fee)".
- Duivenvoorde_Castle openToPublic "Yes, partly".
- Dunadd openToPublic "Yes".
- Dunbar_Castle openToPublic "No".
- Dunduff_Castle openToPublic "No".
- Dungiven_Castle openToPublic "Yes".
- Dunluce_Castle openToPublic "Yes".
- Dunnottar_Castle openToPublic "Yes".
- Dunseverick_Castle openToPublic "Yes".
- Dunstaffnage_Castle openToPublic "Yes".
- Dunster_Castle openToPublic "Yes".
- Dunure_Castle openToPublic "Yes".
- Dybäck_Castle openToPublic "No".
- Dzērbene_Manor openToPublic "Yes".
- Eastbourne_Redoubt openToPublic "Yes".