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

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 clock tower overlooking the Exe estuary, ‘like a sleek racing yacht turned through 90 degrees and planted in the beach.’

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.

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 is a self-contained flat in the former residence of the Union’s Steward, an important figure in the famous debating society, the Oxford Union, formed in 1823 to encourage free speech.

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.

This eighteenth-century Gothic summerhouse sits beside the River Esk near Carlisle. Remote and peaceful, the three large windows in the main room give striking views over the river.

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.

This Gothic folly sits on the edge of the Gibside estate. It stands in the highest part of the park in a grassy clearing, looking down on an octagonal pool with views over the Derwent Valley.

The views of the coastline from the verandah of Castle Bungalow are magnificent. This 1920's Boulton and Paul bungalow has snug wood-lined rooms and lattice windows.

Coed y Bleiddiau is a small railway cottage at a remote private halt on the restored Ffestiniog Railway.

Built for John Lanvin in about 1835, the colourful front elevation is heavily decorated with flamboyant lotus-bud capitals. This second floor apartment is one of three.