Pennsylvania - Area of significance: Transportation
| Delaware Division of the Pennsylvania Canal |
| Delaware, Lackawanna and Western Railroad Station |
| Delaware, Lackawanna and Western Railroad Water Gap Staion |
| Delaware, Lackawanna and Western Railroad Yard-Dickson Manufacturing Co. Site |
| Dellville Covered Bridge |
| Delta Trestle Bridge, Maryland and Pennsylvania Railroad |
| Devil's Den, McClurg Covered Bridge |
| D & H Canal Co. Office |
| Diehls Covered Bridge |
| Dimmsville Covered Bridge |
| Dougherty, Philip, House |
| Dougherty, Philip, Tavern |
| Doylestown Historic District |
| Dreese's Covered Bridge |
| Dreibelbis Station Bridge |
| Drovers Inn |
| Dunlap's Creek Bridge |
| Duquesne Incline |
| East Broad Top Railroad |
| East Lancaster Avenue Historic District |
| East Oriental Covered Bridge |
| East Stroudsburg Railroad Station |
| Ebenezer Covered Bridge |
| Eckman, Sam, Covered Bridge No. 92 |
| Electric Locomotive No. 4859 |
| Elkins Railroad Station, Philadelphia and Reading Railroad |
| English Center Suspension Bridge |
| Erb's Covered Bridge |
| Erie Land Lighthouse |
| Erie Railroad Station |
| Erskine Covered Bridge |
| Erwinna Covered Bridge |
| Etters Bridge |
| Evansburg Historic District |
| Everett Historic District |
| Exton Hotel |
| Factory Bridge |
| Fairmount Water Works |
| Feltons Mill Covered Bridge |
| Fetter's Mill Village Historic District |
| Fischtner Covered Bridge |
| Flat Car No. 473567 |
| Fleisher Covered Bridge |
| Forksville Covered Bridge |
| Forry's Mill Covered Bridge |
| Fountain Hill Historic District |
| Fowlersville Covered Bridge |
| Frankenfield Covered Bridge |
| Frankford Avenue Bridge |
| Freight Locomotive No. 5741 |
| Fricks Locks Historic District |
| Fullerton Inn |
| Fulton, Robert, Birthplace |
| Furnace Covered Bridge No. 11 |
| Geiger Covered Bridge |
| General Washington Inn |
| General Wayne Inn |
| Germantown Junction Station |
| Gettysburg Battlefield Historic District |
| Gibson's Covered Bridge |
| Gilbert Bridge |
| Girard Group |
| Glen Hope Covered Bridge |
| Glessner Bridge |
| Goldsboro Historic District |
| Graver's Lane Station |
| Greensboro Historic District |
| Greensburg Railroad Station |
| Greisemer's Mill Bridge |
| Grimes Covered Bridge |
| Gross Bridge |
| Gudgeonville Covered Bridge |
| Halls Mill Covered Bridge |
| Hanover Historic District |
| Hanover Junction Railroad Station |
| Harmon's Covered Bridge |
| Harmony Forge Mansion |
| Harrington Covered Bridge |
| Harrisburg Central Railroad Station and Trainshed |
| Harris Switch Tower, Pennsylvania Railroad |
| Hassenplug Bridge |
| Hayes Bridge |
| Hays Bridge Historic District |
| Heikes Covered Bridge |
| Heirline Covered Bridge |
| Henniger Farm Covered Bridge |
| Henry Covered Bridge |
| Herr's Mill Covered Bridge |
| Hewitt Covered Bridge |
| High Bridge |
| Hillsgrove Covered Bridge |
| Hill's Tavern |
| Himmel's Church Covered Bridge |
| Holicong Village Historic District |
| Hollidaysburg Historic District |
| Hollingshead Covered Bridge No. 40 |
| Homestead High-Level Bridge |
| Homestead Pennsylvania Railroad Station |
| Horseshoe Curve |
| Howard Tunnel, Northern Central Railway |
Data from United States Park Service and Wikidata
