| 100% | TONKIN | 6 | Gulf of __, site of 1964 US/Vietnam incident |
| 47% | NYC | 3 | Site of the U.N.'s HQ |
| 45% | OAHU | 4 | Site of the U.S.'s only royal palace |
| 45% | IRVINE | 6 | Site of a U.C. in the O.C. |
| 45% | TONKIN | 6 | Gulf of __ Resolution: 1964 legislation |
| 44% | NEWMEXICO | 9 | US state, the site of Roswell |
| 43% | CANA | 4 | Site of biblical water-into-wine incident |
| 43% | HANOI | 5 | Site of Vietnam’s One Pillar Pagoda |
| 43% | BILOXI | 6 | Site of Harrah's Gulf Coast casino |
| 43% | FLAGSTAFF | 9 | Site of US Navy observatory in Arizona |
| 43% | WILLIAMSCOLLEGE | 15 | Site of the oldest U.S. observatory |
| 43% | FORTKNOX | 8 | Army post in Kentucky; site of the US Bullion Depository |
| 43% | NIAGARA | 7 | US-Canada border site of the Horseshoe Falls |
| 43% | SOMALIA | 7 | Site of a 1990's U.N. action |
| 43% | MIDWAYATOLL | 11 | Site of a 1942 U.S. naval victory |
| 43% | CORALSEA | 8 | Site of a 1942 U.S. naval victory |
| 43% | ONSCENE | 7 | At the site of an incident |
| 42% | ORONO | 5 | U. of Maine site |
| 42% | TONKIN | 6 | Gulf of —, body of water separating Hainan Island from mainland Vietnam |
| 42% | OAHU | 4 | Site of the only royal palace in the US |
| 41% | ATTU | 4 | Site of the only WWII battle on U.S. soil |
| 41% | CHURCHROCK | 10 | Site of the largest radioactive spill in U.S. history |
| 41% | GUANTANAMO | 10 | — Bay, body of water in SE Cuba; site of a US naval base |
| 40% | EEOC | 4 | U.S. agency created by the Civil Rights Act of 1964 |
| 40% | ROSWELL | 7 | New Mexico city, site of a hush-hush UFO incident |
| 39% | TORREY | 6 | San Diego's ___ Pines, site of the 2008 U.S. Open |
| 39% | ATTU | 4 | Alaskan site of the only WWII battle on U.S. soil |
| 38% | CYPRUS | 6 | Locale of U.N. peacekeeping forces, 1964 |
| 38% | COLINPOWELL | 11 | Former US Secretary of State who's a Vietnam vet: 2 wds. |
| 38% | BRICE | 5 | Fanny —, US singer and comedienne; subject of 1964 Broadway musical Funny Girl |