| Independence, MO | International Peace Garden |
| Indian River Lifesaving Station | International Space Hall of Fame |
| International Crane Foundation | International Wolf Center |
| Kansas Museum of History | Key West FL |
| Kennedy Space Center | Ky Horse Park |
| Kenai, AK | Kiabab Forest Petroglyphs |
| Ketchikan, AK |
| Zane Grey Museum | Zanesville's Y-Bridge |
| Zanesville's S-Bridge |