If you have 6 hours or a half day to spend in town, here are some suggestions:
1. Visit Hatfield House - a historic country house with beautiful gardens. It will take approximately 2-3 hours to explore the house and gardens.
2. Explore St. Albans Cathedral - a stunning cathedral dating back to the 11th century. It can take up to 2 hours to see all the highlights of the cathedral.
3. Check out the Verulamium Museum - a museum dedicated to the Roman city of Verulamium. It will take around 1-2 hours to see all the exhibitions.
4. Go for a walk in the Cassiobury Park - a large park with playgrounds, sports facilities, and a nature reserve. It will take about 1-2 hours to enjoy a leisurely stroll in the park.
5. Visit the Harry Potter Studio Tour - a must-visit attraction for all Harry Potter fans. It will take around 3-4 hours to see everything in the studio.
Depending on your interests, you can choose one or more of these activities to make the most of your time in Hertfordshire.