An engineering error ensured this cavernous 350-foot-long subterranean thoroughfare was never used as intended.

This unchanged Victorian park is rumored to have been the inspiration behind Peter Pan's Neverland.

The oldest inn in England served brew to the crusaders.

Marking the ancient boundaries of asylum around Beverley Minster.

Astonishing rock formations dot the Brimham Moor landscape.

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

This volcanic plug boasts the longest recorded history of any Scottish stronghold.

A strange rock with a sinister reputation lurks within the crimson waters of this Scottish glen.

A local tree surgeon has created a whimsical walk full of carved tree stumps near Scotland's Loch Lomond.

Largest lake in Great Britain measured by surface area.

Described by William Wordsworth as a "World of Wonder."

Cascading waterfalls mark the gateway to the ancient burial place of Clan Macnab.

These ruins witnessed the final gathering of the failed Jacobite Rebellion.

This site contains overlapping ancient graveyards that existed about 1,000 years apart.

A pagan tradition of draping trees with rags eerily lives on.

A castle in the Scottish Highlands has been continuously inhabited since the 1300s.

A collection of short standing stones covers this hillside.

The world's shortest street was created by an awkwardly placed hotel.

The sign marks one of the endpoints to mainland Britain's longest overland travel route.

The most northern place on the mainland of Great Britain.

This ruined travelers shelter sits abandoned in a desolate bog of Flow Country.

A sea cave with a waterfall and Viking past

Believed to be the smallest castle in Europe.

An ancient Scottish rock formation said to be the gravesite of a giant remains ensconced in legend and intrigue.