A circle stone within a stone circle.

A hermit's tiny cell built into the cliffside that saved him in South Pembrokeshire.

A perilous medieval road leading right into the sea.

This pump on the bad side of Victorian London betrayed a horrifying revelation about the water supply.

A secret garden in a picturesque Edinburgh village has inspired artists for centuries.

An unexpectedly extraterrestrial room in a former Victorian resort club.

After nearly 60 years, there's still a bear at Paddington Station looking for help.

A mysterious monument where a woman who records say never existed was burnt alive for being a witch.

The wooden telephone box hidden away in London's Piccadilly was the original prototype of the iconic kiosk.

The forest that inspired Winnie-the-Pooh's Hundred Acre Wood can be found outside London.

Nearly 2 billion seeds from 38,000 species are stored and processed at this visitable facility in a quiet corner of England.

This Victorian marvel of engineering and artistic prowess is nicknamed the "Cathedral of Steam."

This 2,700-year-old woman is the jewel of the Maidstone Museum's Egyptian collection.

This oak sculpture at the edge of a small woodland is nine feet tall and shrouded in mystery.

The Metropolitan Police refurbished the blue box (perhaps not coincidentally) the same year "Doctor Who" returned to TV screens.

A small village in two different countries.

There are plenty of wonderful panoramic vistas in Edinburgh, but not many are hidden smack in the middle of the Old Town.

The site of a mysterious pony massacre is rich with extraterrestrial conspiracy theories.

A remarkably well preserved tower dating all the way back to the Iron Age.

A succinct inscription commemorates the ebb and flow of a woman's life.

Local legends say that fairies used to dance in the moonlight here and invite handsome young men into their grottoes.

The main gates have been locked since 1745 and will remain so until the Stuart Dynasty returns to the throne.

An easily overlooked stretch of ornate window fronts and gaslight lamps that could be right from the pages of Dickens.

A 6th-century stone lies at the site of the mythical battle waged between King Arthur and his nemesis Mordred.