The floor of this spectacular Baroque sanctuary is covered in memento mori.

Eerily lifelike effigies stare at everyone who enters this sanctuary.

A 14th century castle built on the seat of a mighty giant.

A small stone memorial marks the spot where a Bristol Beaufort aircraft crashed in 1941.

A quirky mausoleum celebrated once every five years with young dancing girls, widows, a tax man, and more.

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

This wooden chair dates possibly back to the 15th century, and commemorates a local legend.

A circle stone within a stone circle.

Perhaps the only prehistoric monument with its very own public bus stop.

A neolithic dolmen that was rebuilt after collapsing during the 19th century.

A open air theatre built on a cliff by an eccentric British woman.

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

This amazing trail among the many waterfalls around Ingleton has been enchanting visitors since 1885.

Once thought to be the mysterious work of a witchy prophetess, a well with unusual properties turns objects into "stone".

A 600-year-old mini shrine guarded by a sword-wielding knight hides in a crumbling cliff face.

A group of glacial erratic boulders are improbably balanced on white limestone pedestals.

The dramatic remains of an abandoned farmhouse sit high on the edge of a remote hillside.

One of the oldest and certainly best preserved Cistercian abbeys still in existence.

The largest cave chamber in Britain—big enough to fit a whole cathedral inside.

Lewis Carroll's White Rabbit or something else altogether?

Britain's tallest megalith towers over the cemetery of a quiet English village.

This sculpture marks the spot where one of the greatest Roman rulers was proclaimed emperor.

Although it appears ancient and mysterious, the quirky folly was actually built 200 years ago by an eccentric estate owner.