An impressive armored bronze effigy marks the tomb of one of the medieval era's greatest warriors.

A set of medieval stained-glass windows tell the gruesome story of a Viking siege.

This strangely dressed taxidermy creature has a heartbreaking story.

A wonderfully eccentric Victorian-era museum and library.

A subterranean playground in an abandoned slate mine.

High Victorian fantasy created a fairytale castle out of a ruined fortress in Wales.

These ruins of a medieval church are full of architectural mysteries.

An icon of the Battle of Britain is frozen in flight in a grand Victorian museum.

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

This unusual rock looks like a giant, otherworldly mushroom sprouting atop a cave.

The farthest northwesterly point of the British mainland is one of the most remote places in the Scottish Highlands.

The Guinness Record holder for largest hedge in the world is a verdant Scottish bulwark.

A six-ton wedding present for the King of the Scots.

Legend says this rock was once a chopping block for public executions.

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

A sea cave with a waterfall and Viking past

The U.K.'s first underground railway line is now a lively thoroughfare for runners and cyclists.

Sprawled across the Great Hall ceiling are various constellations and images relating to the zodiac.

This king penguin is a knighted brigadier of the Norwegian Army.

This stately monument has been wearing a traffic cone hat for decades much to the delight of the locals.

A 200-year-old collection of oddities and medical paraphernalia.

This Scottish museum is the only one in the world to focus not on one religion but all of them.

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

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