| Hôtel de Ville de Lobbes | Hôtel de Ville de Lobbes | Belgium, Lobbes | 1976-- | -- | 1976 | 1 | |
| Holy Trinity Lutheran Church | Holy Trinity Lutheran Church | United States of America, Falls Church, 3022 Woodlawn Ave | 2018-10-12 | 2018-10-14 | 2018 | 1 | |
| Halsnøy | Halsnøy | Norway, Halsnøy, Kvinnherad kommune | 1970-01-22 | -- | 1970 | 1 | |
| Hessen | Hessen | Germany, Hessen | 1956-05-23 | -- | 1956 | 1 | |
| Heggen videregående skole | Heggen videregående skole | Norway, Harstad, St Olavs gate 91 | 1997-11-19 | 1997-11-20 | 1997 | 1 | |
| Hull House | Hull House | United States of America, Chicago | 1905-06-02 | 1905-06-02 | 1905 | 1 | |
| Holmberg Hall | Holmberg Hall | United States of America, Norman, Donald W. Reynolds Performing Arts Center | 1940-12-13 | 1940-12-14 | 1940 | 1 | |
| Herzogliches Sächsisches Hoftheater Coburg | Herzogliches Sächsisches Hoftheater Coburg | Germany, Coburg | 1889-10-16 | -- | 1889 | 1 | |
| Harvard Community Services Center | Harvard Community Services Center | United States of America, Cleveland, 18240 Harvard Ave | 2011-08-03 | -- | 2011 | 1 | |
| Hexagon Studio Theatre | Hexagon Studio Theatre | South Africa, Pietermaritzburg, KwaZulu-Natal, UKZN, Golf Rd | 2006-10-25 | 2006-10-28 | 2006 | 1 | |
| Harwich Junior Theatre | Harwich Junior Theatre | United States of America, West Harwich, 105 Division Street | 2004-05-20 | 2004-06-13 | 2004 | 1 | |
| Heide | Heide | Germany, Heide | 2002-10-16 | -- | 2002 | 1 | |
| Haus der offenen Tür | Haus der offenen Tür | Germany, Walldürn, Schachleiterstr. 27e | 2006-03-08 | -- | 2006 | 1 | |
| HEAG-Saal | HEAG-Saal | Germany, Darmstadt | 1961-04-11 | -- | 1961 | 1 | |
| Hrvatsko narodno kazalište u Varaždinu | Hrvatsko narodno kazalište u Varaždinu (Croatian National Theatre in Varazdin) | Croatia, Varaždin, Augusta Cesarca 1 | 2015-01-30 | -- | 2015 | 1 | |
| Het Park Hoorn | Het Park Hoorn | Netherlands, Hoorn, Westerdijk 4 | 2000-03-21 | -- | 2000 | 1 | |
| Hoogland Center for the Arts | Hoogland Center for the Arts | United States of America, Springfield, 420 South 6th Street | 2010-08-13 | 2010-08-22 | 2010 | 1 | |
| Hovseter skole | Hovseter skole | Norway, Oslo, Hovseterveien 74 | 2005-10-24 | -- | 2005 | 1 | |
| Hotel zur Post Bad Wiessee | Hotel zur Post Bad Wiessee | Germany | 2016-10-30 | -- | 2016 | 1 | |
| Hawth, The | The Hawth | England, Crawley, West Sussex, Hawth Ave | 1993-06-17 | -- | 1993 | 1 | |
| Highbury Theatre Centre | Highbury Theatre Centre | England, Sutton Coldfield, Sheffield Road | 2011-11-08 | 2011-11-19 | 2011 | 1 | |
| Hangzhou Zhejiang Sheng Yinyue Ting | Hangzhou Zhejiang Sheng Yinyue Ting (Hangzhou Zhejiang Province Concert Hall) | China, Hangzhou, 31 Shuguang Rd, Xihu | 2010-10-05 | 2010-10-15 | 2010 | 1 | |
| Harlem Opera House | Harlem Opera House | United States of America, New York, 211 West 125th Street | 1891-03-09 | 1891-03-14 | 1891 | 1 | |
| Heinsberg | Heinsberg | Germany, Heinsberg | 2001-10-22 | -- | 2001 | 1 | |
| Harold E. & Esther M. Mertz Theatre | Harold E. & Esther M. Mertz Theatre | United States of America, Sarasota, 5555 North Tamiami Trail | 1993-03-03 | 1993-03-27 | 1993 | 1 | |
| Hjelseth brygge, Telemarkskanalen | Hjelseth brygge, Telemarkskanalen | Norway, Skien, Skotfoss | 2006-05-23 | 2006-06-15 | 2006 | 1 | |
| Hafez Hall | Hafez Hall | Iran, Tehran, Ostad Shahriar St, Hafez St | 2015-09-06 | 2015-10-09 | 2015 | 1 | |
| Haapsalu Kultuurikeskus | Haapsalu Kultuurikeskus (Haapsalu Cultural Centre) | Estonia, Haapsalu, Posti 3 | 2008-01-15 | -- | 2008 | 1 | |
| Haslemoen | Haslemoen | Norway, Haslemoen | 1960-05-04 | -- | 1960 | 1 | |
| Haddon Hall | Haddon Hall | United States of America, Atlantic City, 1133 Boardwalk | 1948-03-11 | 1948-03-13 | 1948 | 1 | |
| Herre ungdomsskule | Herre ungdomsskule | Norway, Herre | 2004-10-26 | -- | 2004 | 1 | |
| Hamar Rådhus | Hamar Rådhus | Norway, Hamar, Vangsvegen 51 | 2006-06-06 | -- | 2006 | 1 | |
| Holte skole | Holte skole | Norway, Kristiansand, Kristiansand | 2006-10-16 | -- | 2006 | 1 | |
| Howell Memorial Theatre | Howell Memorial Theatre | United States of America, Lincoln, 350 N 12th St | 1964-10-29 | -- | 1964 | 1 | |
| Herzogliches Hoftheater | Herzogliches Hoftheater | Germany, Altenburg, Theaterplatz 19 | 1899-04-05 | 1899-04-07 | 1899 | 1 | |
| Haus der Jugend | Haus der Jugend | Germany, Freiburg, Uhlandstraße 2 | 2006-02-03 | 2006-02-04 | 2006 | 1 | |
| Hunedoara | Hunedoara | Romania, Hunedoara | 1913-10-17 | -- | 1913 | 1 | |
| Husnes Samfunnshus | Husnes Samfunnshus | Norway, Husnes | 1989-10-06 | -- | 1989 | 1 | |
| Hendricks Hall, Central Missouri State University | Hendricks Hall, Central Missouri State University | United States of America, Warrensburg, 108 W South St | 1959-02-24 | 1959-02-25 | 1959 | 1 | |
| Hisøy ungdomsskole | Hisøy ungdomsskole | Norway, Kolbjørnsvik, Arendal | 1997-10-01 | -- | 1997 | 1 | |
| Hospital Circle of The King´s Daughters | Hospital Circle of The King´s Daughters | United States of America | 1911-04-27 | 1911-04-27 | 1911 | 1 | |
| HB Studio | HB Studio | United States of America, New York, 120 Bank Street, New York, NY 10014 | 2021-06-30 | 2021-06-30 | 2021 | 1 | |
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