Historical Marker Portals in US
| # | Image | Mod | Area | L | R | HP | Days |
|---|---|---|---|---|---|---|---|
| 1 |  Historical Marker | -- | 1 | 0 | 0% | ∞ | |
| 2 |  Historical Marker | -- | 1 | 0 | 0% | 220 | |
| 3 |  Historical Marker | -- | 1 | 0 | 0% | ∞ | |
| 4 |  Historical Marker | -- | 1 | 0 | 0% | ∞ | |
| 5 |  Historical Marker | -- | 1 | 0 | 0% | 11 | |
| 6 |  Historical Marker | -- | 1 | 0 | 0% | 112 | |
| 7 |  Historical Marker | -- | 1 | 0 | 0% | ∞ | |
| 8 |  Historical Marker | AX TR PS | -- | 6 | 8 | 100% | 230 |
| 9 |  Historical Marker | -- | 1 | 0 | 0% | 90 | |
| 10 |  Historical Marker | -- | 1 | 0 | 0% | 52 |