Nottingham is a city known for its network of sandstone caves. Whilst there are hundreds that stretch out beneath its inhabitant's feet, with many accessible to the public, they are not the only close-by caves ready to be discovered.
Within the county's borders and not too far beyond lie a number of other popular cave sites. Some come at a cost while some remain open and free to explore. The one thing they all have in common is an interesting history and a reason to put on those boots.
Here are some that are either in Nottinghamshire or less than an hour's drive away from the county:
