| 100% | WILLIAMSCOLLEGE | 15 | Site of the oldest U.S. observatory |
| 63% | NYC | 3 | Site of the U.N.'s HQ |
| 62% | OAHU | 4 | Site of the U.S.'s only royal palace |
| 61% | ATTU | 4 | Site of the only WWII battle on U.S. soil |
| 61% | CHURCHROCK | 10 | Site of the largest radioactive spill in U.S. history |
| 60% | METZ | 4 | Site of the oldest church in France |
| 60% | UPPSALA | 7 | Site of the oldest Scandinavian university (1477) |
| 59% | LIMA | 4 | Site of the oldest university in South America |
| 59% | WIMBLEDON | 9 | London site of The Championships, the world's oldest tennis tournament |
| 59% | ATTU | 4 | Alaskan site of the only WWII battle on U.S. soil |
| 57% | HBCU | 4 | The oldest in the U.S. is Cheyney University of Pennsylvania |
| 56% | GREENWICH | 9 | Site of the original Royal Observatory in London |
| 55% | OAHU | 4 | Site of the only royal palace in the US |
| 55% | TAIL | 4 | Site of the 9-Across on an old nickel |
| 55% | GREENWICH | 9 | London borough; site of the original Royal Observatory |
| 54% | WAPITI | 6 | Name of the oldest US Forest Service ranger station used continuously since 1903 |
| 54% | FLAGSTAFF | 9 | Site of US Navy observatory in Arizona |
| 53% | FORTKNOX | 8 | Army post in Kentucky; site of the US Bullion Depository |
| 52% | PEARL | 5 | With 4 Down, site of the attack that on today's date in 1941 lead to the US entering WWII |
| 52% | IRVINE | 6 | Site of a U.C. in the O.C. |
| 51% | KNOSSOS | 7 | Site of the Minotaur's labyrinth |
| 51% | TORREY | 6 | San Diego's ___ Pines, site of the 2008 U.S. Open |
| 51% | SHIP | 4 | One of the S's in U.S.S. |
| 50% | LONDON | 6 | Site of the world's first subway |
| 50% | NAPLES | 6 | Site of the world's first pizzeria |
| 50% | MECCA | 5 | Site of the world's largest mosque |
| 50% | UAE | 3 | Site of the world's tallest bldg. |
| 50% | DUBAI | 5 | Site of the world's tallest building |
| 50% | RIO | 3 | Site of the world's biggest carnival |
| 50% | UTICA | 5 | Site of the first Woolworth's |