Here is the list
2. A museum
3. A camp fire (or fire in a fireplace)
4. A protest, town hall meeting or other political activity
5. A hand lettered sign selling something or giving directions
9. A festival or fair
10. A wooden bridge
11. A forest
12. A unicycle
13. A cemetery of historical significance or with an interesting story.
14. A castle
15. Graffiti art (not just graffiti and not just a wall mural)
16. A building made of metal or glass
20. A handmade roadside memorial or shrine.
The ones struck through you can find here
I've added three more
wooden bridge is over a very small stream just off the back lane (my walk to Asda)
The Metal and Glass building was originally a Renault showroom, built in 1985 it has always been painted yellow and looks just like meccano to me.