Standing guard over Tewkesbury Abbey, this grand building of about 1500 provides a captivating base from which to explore the interesting town of Tewkesbury, the Cotswolds and Cheltenham.

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.

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

Houghton West Lodge is one of four houses that guard the approaches to Houghton Hall,  one of England’s finest Palladian houses and once home to Britain's first Prime Minister.

The tower was built as a folly in 1821 with a pretty sitting room on the first floor. The third floor was added in 1943 by the Germans as an observation point, with views in every direction.

A tiny, circular tower standing on the boundary of a cricket pitch, Prospect Tower was built around 1808. Approached along an avenue of walnut trees, Lord Harris called it his “whim.”

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.

Ty Uchaf means ‘the top’ or ‘highest’ house. It sits at the head of a valley above Betws-y-Coed. A datestone for 1685 was found in the tumbledown pigsty.

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.

Mill House dates from 1700 and is mainly built of stone with a thatched and slated roof. No. 1 is the slightly larger of two cottages and has a wide fireplace in the sitting room.

Designed and constructed by James Mansergh and Robert Rawlinson, work began on Appleton Water Tower in 1877 to provide a clean water supply to the Sandringham Estate.

Brinkburn Mill sits next to the River Coquet at the bottom of a thickly-wooded valley. A mill has been on this site since medieval times, with the present building dating to about 1800.