Related Clues:
- Really old
- Of interest to archaeologists
- As old as the hills
- With 31-Across, literary character 'whose beard with age is hoar'
- Very old
- Like Stonehenge
- Long-ago
- Old as the hills
- Long gone
- Socrates or Pythagoras, e.g.
- __ history
- Like the Parthenon
- Primeval
- With 21 Down, old salt
- Person of olden times