Monty Python fans will recognize this abandoned mine as the Cave of the Killer Rabbit of Caerbannog.

Rare collection of medieval books under lock and key.

This massive blockhead sculpture hides an entire library.

An Orthodox church built by the Royal Family for the Russian community exiled to the French Riviera.

Museum celebrating the ocean, with the largest wunderkammer dedicated to sea exploration.

This Corsican Neolithic site is full of pre-Roman megalithic structures that may or may not be penises.

A miniature Italianate fantasy village on the coast of Wales and the set of ITC classic "The Prisoner."

Used as an example in one of the first dictionary entries for "museum" in 1706.

One of the tallest maypoles remaining in England in one of its smaller villages.

This trio of neolithic stone monuments are fabled to be a king and his knights that were petrified by a witch.

A giant white horse drawn on an English hillside may not have been intended to be a horse at all.

In 1943 the British military took control of this village, telling residents they had to leave temporarily. The villagers were never allowed to return.

The world's only managed flock of mute swans was established as a factory for monk meat but is now an adorable sanctuary.

A island reachable by a causeway at low tide is possibly one of the earliest Western European locations to be identified in text.

Europe's largest prehistoric mound – burial site of a legendary king?

The largest stone circle in the world has ended up bringing up more questions than it has answered.

The metal frame is all that's left of a wicker sculpture which once towered over the M5 motorway.

Fascinating town where normal life interfaces with the occult.

This well-preserved Cistercian Abbey in a romantic pastoral setting has inspired artists like the poet Wordsworth.

The world's largest museum devoted solely to the whirlybird comes complete with its own chopper graveyard.

A quaint hamlet of nine cottages around a small green near Blaise castle.

The Bristol Camera Obscura housed in an ancient windmill.

One of Bristol's best-hidden gems has ties to Lord Byron, whence it became the nation's first reformatory school for girls.

A 142-foot-tall Q-tip on Bristol's skyline.