All - Architectural style - Neoclassical architecture
| Garfield School |
| Garland Carnegie Library |
| Garland County Courthouse |
| Garland Elementary School |
| Garlick, Richard, House |
| Garner, J.W., Building |
| Garnet High School |
| Garrett County Courthouse |
| Garrison Apartments |
| Garrison, Charles Denby, Sr., House |
| Garvin County Courthouse |
| Gary Bathing Beach Aquatorium |
| Gary, Hunter, House |
| Gary-Morgan House |
| Gate City National Bank |
| Gates Memorial Library |
| Gay Oil Company Building |
| Geary Theatre |
| Gelbach House |
| General Grant National Memorial |
| General Motors Building |
| Genesee County Courthouse and Jail |
| Genesee Exchange Bank |
| Genesee Street School |
| Gentry, William T., House |
| George Close Company Building |
| George Washington Hotel, The |
| Gering Courier Building |
| German Bank Building of Walnut, Iowa |
| Germania Building |
| Germantown State Bank Building |
| Gibbs, E. H., House |
| Gibbs-Flournoy House |
| Gibson County Courthouse |
| Giddens, James, House |
| Gillette Post Office |
| Gilman Block |
| Gilmer County Courthouse |
| Gilmore, Elizabeth Harden, House |
| Gilroy Free Library |
| Girard Carnegie Library |
| Girard High School |
| Gladstone Apartments |
| Glascock County Courthouse |
| Glasscock County Courthouse and Jail |
| Glass, D.R., Library at Texas College |
| Glen Carbon Village Hall and Firehouse |
| Glencoe |
| Glencoe Grade and High School |
| Glen Ferris Inn |
| Glenford Bank |
| Glen Maury |
| Glenn Building |
| Glenn, Mollie and Neel, House |
| Glens Falls High School |
| Glenwood Public Library |
| Goffstown Public Library |
| Goldberg Building |
| Golden Sheaf Bakery |
| Goldsmith Block |
| Goler Metropolitan AME Zion Church |
| Good, L. S., House |
| Goodman-LeGrand House |
| Goodrich School |
| Goodrum, May Patterson, House |
| Goodspeed Memorial Library |
| Goodwillie, Frank, House |
| Goodyear Hall-Ohio Savings and Trust Company |
| Gorge Hydroelectric Power Plants |
| Goshen Town Hall |
| Goss, Arnold and Gertrude, House |
| Gotham Apartments |
| Governor's Mansion |
| Governor's Mansion |
| Grace Methodist Episcopal Church |
| Grace Methodist Episcopal Church |
| Grady, B. F., School |
| Grafton Bank |
| Graham County Courthouse |
| Graham County Courthouse |
| Graham, Dr. L. H., House |
| Grand Island Carnegie Library |
| Grand Island United States Post Office and Courthouse |
| Grand Lodge and Library of the Ancient Free and Accepted Masons |
| Grand Rapids and Indiana Railroad Depot |
| Grand Theatre |
| Grant County Courthouse |
| Grant County Courthouse |
| Grant County Courthouse |
| Grant County Courthouse |
| Grant County Courthouse |
| Grant-Humphreys Mansion |
| Grant, U.S. Hotel |
| Grass Lake Public School |
| Grass Valley Public Library |
| Gratiot County Courthouse |
| Greek Amphitheatre |
| Greek Orthodox Cathedral of New England |
| Greek Orthodox Church of Saint George |
| Greeley County Courthouse |
Data from United States Park Service and Wikidata
