To complete the '50 things' indoors, you will need to visit more than one place. Here's a list of everywhere taking part. Don't forget to get a leaflet when you arrive at your first stop and then collect the stickers as you go to see what you've got left to find.
Tudor house with superb collections, garden, quay and estate
Discovery, tranquillity and history – an ancient gem in the Tavy Valley landscape
Discover Knightshayes, a country estate on a grand, gothic scale
A 1920s country retreat complete with luxuriant garden by the sea
Nothing is normal. Dramatic castle overlooking the Teign Gorge, undergoing a conservation project to make it watertight
Greenway house and garden: 'the loveliest place in the world'
A family home and a great estate. Glorious landscape garden surrounded by parkland with fine 18th-century house
Quirky 18th-century, 16 sided house with fascinating interior decoration and collections
A house full of treasures, stories & intrigue. A secret garden to lose yourself in, plus a park that cyclists, walkers, and our four legged friends love.
A hidden paradise of subtropical gardens and quirky collections
The last working water-powered forge in England
Dramatic fortified manor house and small formal garden
Delightful medieval manor house, set in woodland and meadows