© Paul Bearman
The Geological Association has compiled a map of Britain's '100 Great Geosites'.
Discover the stories behind some of them with our free walks including glaciers in Ludlow, a lost river in Durham, the mountains of Mourne and the home of the Earth's most diverse geology - the Wrekin.
Discover the rebirth of historic Portsmouth
A walk of art,
The crystal canal
Explore the village of Hoylandswaine in South Yorkshire
REGION: Yorkshire and the Humber
Explore Epping Forest on the edge of London
REGION: Greater London
Public consultation has begun on plans for a new Thames crossing in East London - the Silvertown Tunnel. Find out more about the area with our free North Woolwich walk.
Select your region on the map:
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