Pennsylvania - Criteria: A (event)
| Grundy Mill Complex |
| Gudgeonville Covered Bridge |
| Guldin Mill |
| Guthrie, George W., School |
| Habeck, Christian, Farm |
| Haddington Historic District |
| Hager Building |
| Haines Mill |
| Hain Mill |
| Hair, Matthew, Farm |
| Hajoca Corporation Headquarters and Showroom |
| Half-Moon Inn |
| Halfway Lake Dam |
| Hall's Bridge |
| Halls Mill Covered Bridge |
| Hamburg Armory |
| Hamburg Historic District |
| Hamilton Apartments |
| Hamilton-Ely Farmstead |
| Hammersly-Strominger House |
| Hamorton Historic District |
| Hampden Firehouse |
| Hampton Hill |
| Handycraft Farmstead |
| Hanging Rock |
| Hanna Hall |
| Hannastown Farm |
| Hannum, Col. John, House |
| Hanover Historic District |
| Hanover Junction Railroad Station |
| Harbison-Walker Refractories Company |
| Harding, Warren G., Junior High School |
| Harlan House |
| Harlan Log House |
| Harmon's Covered Bridge |
| Harmony Forge Mansion |
| Harmony Historic District |
| Harriman Historic District |
| Harrington Covered Bridge |
| Harrington Machine Shop |
| Harris Building |
| Harrisburg 19th Street Armory |
| Harrisburg Avenue Tobacco Historic District |
| Harrisburg Central Railroad Station and Trainshed |
| Harrisburg Historic District |
| Harrisburg Military Post |
| Harrisburg Polyclinic Hospital |
| Harrisburg Technical High School |
| Harris Switch Tower, Pennsylvania Railroad |
| Hartley-Rose Belting Company Building |
| Hartman Cider Press |
| Harvard, David, House |
| Harvey, William, House |
| Hassenplug Bridge |
| Hatfield-Hibernia Historic District |
| Hayes Bridge |
| Hayes Mill House |
| Hays Bridge Historic District |
| Head House Square |
| Heikes Covered Bridge |
| Heinz, H.J., Company |
| Heirline Covered Bridge |
| Heiss, William A., House and Buggy Shop |
| Helfrich's Springs Grist Mill |
| Heller, George K., School |
| Hendel Brothers, Sons and Company Hat Factory |
| Henniger Farm Covered Bridge |
| Henry Covered Bridge |
| Herpel Brothers Foundry and Machine Shop |
| Herr, Christian and Emma, Farm |
| Herr, Hans, House |
| Herr's Mill Covered Bridge |
| Hershey Community Center Building |
| Hess, A. B., Cigar Factory, and Warehouses |
| Hessian Powder Magazine |
| Hewitt Covered Bridge |
| Heywood Chair Factory |
| Hibshman Farm |
| High Bridge |
| High German Evangelical Reformed Church |
| Highland Building |
| Highland Hall |
| Highspire High School |
| Hillsgrove Covered Bridge |
| Hill's Sawmill |
| Hill's Tavern |
| Himmel's Church Covered Bridge |
| Hite House |
| Hockley Mill Farm |
| Holicong Village Historic District |
| Hollidaysburg Historic District |
| Hollingshead Covered Bridge No. 40 |
| Holman, A. J., and Company |
| Holmes-Foster-Highlands Historic District |
| Holmes Junior High School |
| Homestead High-Level Bridge |
| Homestead Historic District |
| Homestead Pennsylvania Railroad Station |
| Honey Hollow Watershed |
| Hood Octagonal School |
Data from United States Park Service and Wikidata
