Hartford 143 Hancock 94 Hudson River Valley (N.Y. and N.J.) 69 Harrisburg 55 Hawaii 51 Hudson River (N.Y. and N.J.) 44 Hanover 39 Hungary 35 Harvard 29 Hartford (Conn.) 26 Haverhill 21 Houston 21 Herculaneum (Extinct city) 18 Hagerstown 16 Hingham 16 Henry Francis du Pont Winterthur Museum Gardens (Del.) 14 Harrisburg (Pa.) 13 Hudson 13 History 12 Hague 11 Haiti 10 Hopkinton 10 Hanover (York County) 9 Harpers Ferry (W. Va.) 9 Hilltown Township 9 Hamburg 8 Hartford County (Conn.) 8 Harpers Ferry National Historical Park 7 Hebron 7 Hingham (Mass.) 7 Hong Kong 7 Hopewell 7 Horsham 7 Huntington 7 Hampton National Historic Site (Md.) 6 Hannover 6 Harlem (New York, N.Y.) 6 Herefordshire 6 Hilltown 6 Hackensack 5 Hadley 5 Hampden County (Mass.) 5 Hampshire 5 Hampton 5 Harford County 5 Harford County (Md.) 5 Harpers Ferry 5 Hartford County 5 Hatfield 5 Hershey 5 Hesse 5 Highlands (Scotland) 5 Hinkletown 5 Honolulu 5 Hunterdon County 5 Haarlem 4 Hallowell 4 Hamilton 4 Hamilton County 4 Hampshire County 4 Hampshire County (Mass.) 4 Havana 4 Henry Francis du Pont Winterthur Museum Gardens 4 Herefordshire (England) 4 Houston (Tex.) 4 Hyde Park 4 Hyde Park (Dutchess County, N.Y.) 4 Hadley (Mass.) 3 Hallowell (Me.) 3 Hampton (Baltimore County, Md.) 3 Hannover (Germany) 3 Harrisonburg 3 Havana (Cuba) 3 Haverhill (Mass.) 3 Hearst-San Simeon State Historical Monument (Calif.) 3 Historic buildings 3 Hoboken (N.J.) 3 Holland 3 Hollis 3 Holyoke 3 Honesdale 3 Hortus Eystettensis (Germany) 3 Houlton 3 Hunterdon County (N.J.) 3 Huntingdon 3 Huntsville 3 Hyde Park (Dutchess County) 3 Haarlem (Netherlands) 2 Haddam 2 Haddonfield 2 Haddonfield (N.J.) 2 Hague (Netherlands) 2 Hamlin Station 2 Hammersmith (London, England) 2 Hammonton 2 Hampden 2 Hampshire (England) 2 Hampton Plantation (S.C.) 2 Hanover (Mass.) 2 Harrison 2