Deep in the woods sits this octagonal folly – with a real surprise inside. The ceiling and walls of the main room are festooned with shells, while in the basement is a cold plunge pool.

The Chapel is a tiny grey granite building in the rural hamlet of Lettaford, a settlement on the edge of Dartmoor that has been lived in since at least 1300.

This very clever scale model of a French chateau sits on a hill above the River Trent in the middle of the Lincolnshire countryside.

Listed Grade II*, the dairy was conceived to represent a tiny Italianate chapel topped with a bell tower, and with four corner pavilions.

Our restoration of Danescombe Mine was one of the earliest conversions of an industrial building into a house. The result is a wonderful exotic hybrid in a wooded valley leading to the Tamar.

A fine, two-storey Jacobean porch salvaged from a great house once beloved of the poet and playwright John Dryden but now lost.

The Pigsty’s classical design was supposedly inspired by Squire Barry’s travels around the Mediterranean in the 1880s and offers striking views of Robin Hood’s Bay.

The Summerhouse stands in beautiful woodland on the Shuttleworth Estate. The outstandingly fine brickwork of this foursquare folly is likely to date from the early 18th century.

This beautiful little pavilion has two distinct faces and has a breath-taking panorama. Approached from the wood, this rustic cottage with a thatched roof houses an elegant interior.

This simple and evocative cottage, from around 1840, was built to serve one of the monumental pumping engines that sprang up as the Steam Age took on the challenge of draining the Fenland.

This tiny pavilion was a majestic grandstand for the enclosure in front. It is a mature expression in miniature of all that was best in Tudor and Jacobean architecture.

Whiteford Temple is an ornamental granite folly with views towards the Tamar Estuary. It was built in the 18th century for Sir John Call, a military engineer who had made a fortune in India.

At the top of the hamlet of Coombe, Mill House overlooks the bubbling stream.

Originally a geological shop and museum, the Egyptian House in Penzance is a rare survivor of Egyptian-style architecture. This first floor apartment is one of three.

One of three Landmarks in the remote upland hamlet Rhiwddion, Ty Capel was built in 1860 for the slate quarrying community that once lived and worked here.