If you have 6 hours to explore Salisbury, here are some suggestions:
1. Salisbury Cathedral - This magnificent cathedral is a must-see attraction in Salisbury. You can spend a couple of hours admiring the impressive architecture, stained glass windows, and exploring the cloisters and chapter house.
2. Stonehenge - A short drive from Salisbury, Stonehenge is one of the most iconic landmarks in England. You can spend about 1-2 hours here exploring the ancient stones and learning about the history of the site at the visitor center.
3. Salisbury Market - If you're in the mood for some shopping, head to the Salisbury market. You'll find a variety of stalls selling everything from fresh produce to artisanal crafts. You can spend about an hour or so browsing the market.
4. Mompesson House - If you're interested in history, check out Mompesson House. This well-preserved 18th-century house is a great example of Georgian architecture and is full of interesting artifacts. You can spend about an hour here.
5. Old Sarum - Another historical site, Old Sarum is the site of the original settlement of Salisbury. You can explore the remains of the Iron Age fort and the medieval castle on the hilltop. You can spend about 1-2 hours here.
With these options, you can easily fill a half-day exploring Salisbury!