| Hällefors | Hällefors | Sweden, Hällefors | 1911-07-01 | -- | 1911 | 1 | |
| Humboldtschule Hannover | Humboldtschule Hannover | Germany, Hannover, Ricklinger Str. 95 | 1965-04-09 | 1965-05-22 | 1965 | 1 | |
| Haus der offenen Tür | Haus der offenen Tür | Germany, Walldürn, Schachleiterstr. 27e | 2006-03-08 | -- | 2006 | 1 | |
| Hotel Margaret | Hotel Margaret | United States, New York | 1909-04-27 | 1909-04-27 | 1909 | 1 | |
| Holy Trinity Lutheran Church | Holy Trinity Lutheran Church | United States, Falls Church, 3022 Woodlawn Ave | 2018-10-12 | 2018-10-14 | 2018 | 1 | |
| Harold E. & Esther M. Mertz Theatre | Harold E. & Esther M. Mertz Theatre | United States, Sarasota, 5555 North Tamiami Trail | 1993-03-03 | 1993-03-27 | 1993 | 1 | |
| Hessen | Hessen | Germany, Hessen | 1956-05-23 | -- | 1956 | 1 | |
| Hull House | Hull House | United States, Chicago | 1905-06-02 | 1905-06-02 | 1905 | 1 | |
| Herzogliches Sächsisches Hoftheater Coburg | Herzogliches Sächsisches Hoftheater Coburg | Germany, Coburg | 1889-10-16 | -- | 1889 | 1 | |
| Herald Theatre, Aotea Centre | Herald Theatre, Aotea Centre | New Zealand, Auckland, 50 Mayoral Dr | 2011-08-26 | 2011-09-17 | 2011 | 1 | |
| Hexagon Studio Theatre | Hexagon Studio Theatre | South Africa, Pietermaritzburg, KwaZulu-Natal, UKZN, Golf Rd | 2006-10-25 | 2006-10-28 | 2006 | 1 | |
| Holla ungdomsskole | Holla ungdomsskole | Norway, Ulefoss, Nome | 2004-09-07 | 2004-09-09 | 2004 | 1 | |
| Helland skule | Helland skule | Norway, Vestnes, Vestnes | 2006-09-19 | -- | 2006 | 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 | |
| Hong Kong Academy for Performing Arts (Studio Theatre), The | The Hong Kong Academy for Performing Arts (Studio Theatre) | Hong Kong, Hong Kong | 2001-02-19 | 2001-02-24 | 2001 | 1 | |
| Het Park Hoorn | Het Park Hoorn | Netherlands, Hoorn, Westerdijk 4 | 2000-03-21 | -- | 2000 | 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 | |
| Hossapeer, Al | Al Hossapeer | Egypt, Cairo | 2013-01-05 | -- | 2013 | 1 | |
| Hovden videregående skole | Hovden videregående skole | Norway, Hovden | 1997-09-15 | -- | 1997 | 1 | |
| Havnescenen | Havnescenen | Norway, Risør, Risør | 2008-08-01 | -- | 2008 | 1 | |
| Hafslund ungdomsskole | Hafslund ungdomsskole | Norway, Borgenhaugen, Sarpsborg | 2006-10-23 | -- | 2006 | 1 | |
| Hov i Land | Hov i Land | Norway | 1971-03-15 | -- | 1971 | 1 | |
| Husnes Samfunnshus | Husnes Samfunnshus | Norway, Husnes | 1989-10-06 | -- | 1989 | 1 | |
| Haddon Hall | Haddon Hall | United States, Atlantic City, 1133 Boardwalk | 1948-03-11 | 1948-03-13 | 1948 | 1 | |
| Hemingway Theatre | Hemingway Theatre | United States, Easton, Stonehill College | 2010-11-18 | 2010-11-20 | 2010 | 1 | |
| Heinsberg | Heinsberg | Germany, Heinsberg | 2001-10-22 | -- | 2001 | 1 | |
| Headgate Theatre, The | The Headgate Theatre | England, Colchester, 14 Chapel Street North | 2018-05-16 | -- | 2018 | 1 | |
| Haus der Jugend | Haus der Jugend | Germany, Freiburg, Uhlandstraße 2 | 2006-02-03 | 2006-02-04 | 2006 | 1 | |
| Hadeland Folkemuseum | Hadeland Folkemuseum | Norway, Jaren, Kongevegen 92 | 2010-08-14 | -- | 2010 | 1 | |
| Hawthorne Theatre | Hawthorne Theatre | England, Welwyn Garden City, Hertfordshire, Campus West, The Campus | 2014-10-11 | 2014-10-11 | 2014 | 1 | |
| Holon Theatre | Holon Theatre | Israel, Tel Aviv, 11 Kugel Bd. | 2006-05-23 | 2006-05-24 | 2006 | 1 | |
| Hopkins Center, Dartmouth College | Hopkins Center, Dartmouth College | United States, Hanover, 2 East Wheelock Street | 2006-04-04 | 2006-04-05 | 2006 | 1 | |
| Hauptschule Kirchberg Ausonius-Schulzentrum | Hauptschule Kirchberg Ausonius-Schulzentrum | Germany, Kirchberg (Hunsrück), Schulstraße 11 | 2007-03-23 | -- | 2007 | 1 | |
| Hospital Circle of The King´s Daughters | Hospital Circle of The King´s Daughters | United States | 1911-04-27 | 1911-04-27 | 1911 | 1 | |
| Het Prinsentheater | Het Prinsentheater | Netherlands, Groningen, Noorderbuitensingel 11 | 2004-10-02 | -- | 2004 | 1 | |
| Hedemora | Hedemora | Sweden, Hedemora | 1978-11-10 | -- | 1978 | 1 | |
| Horsham Arts Centre | Horsham Arts Centre | England, West Sussex, North Street Horsham, | 1993-05-09 | -- | 1993 | 1 | |
| Halsnøy | Halsnøy | Norway, Halsnøy, Kvinnherad kommune | 1970-01-22 | -- | 1970 | 1 | |
| Hildre Samfunnshus | Hildre Samfunnshus | Norway, Hildre | 1990-03-04 | -- | 1990 | 1 | |
| Hendricks Hall, Central Missouri State University | Hendricks Hall, Central Missouri State University | United States, Warrensburg, 108 W South St | 1959-02-24 | 1959-02-25 | 1959 | 1 | |
| Haymarket Theatre Leicester | Haymarket Theatre Leicester | England, St Leicester, 1 Kildare | 1979-11-28 | -- | 1979 | 1 | |
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