Moss and stone turn this waterfall into an otherworldly liquid veil.

This fairy-tale castle would make Dracula (who is said to have been imprisoned there) jealous.

This 700-year-old storehouse was a POW jail, aviation workshop, and Titanic memorial before becoming a brewpub.

Puzzles within puzzles hide a golden treasure in this hedge maze.

It is against the law to obstruct the view from the top of this English burial mound.

Once the fallout shelter of a dictator, this sprawling bunker is now a combined history museum and contemporary art gallery.

Besieged by war, this castle ruin has crumbled into a peaceful picnic spot.

It was once nicknamed "the most bombed hotel in Europe."

A Victorian Fort built into the chalky cliffs that overlook the English Channel.

A beautiful ruin of a 14th-century Plantagenet castle built by a medieval mercenary.

Huge concrete structures designed as an early warning system for Britain to detect enemy aircraft.

A house of bones — but nobody is quite sure to whom they belong.

This crumbling headstone commemorates the first death by tiger in Britain's history.

Britain's oldest and biggest hole in the ground.

A fantastic castle rumored to be the birthplace of King Arthur.

It is said the legendary wizard once lived in this sea cave beneath Tintagel Castle.

A midnight snack that lights up the night.

Now famous as the "Harry Potter bridge," this impressive concrete viaduct has long been an icon in its own right.

Nestled among the living residents is the final resting place of an apothecary plague victim.

Touching this 18th-century Scottish philosopher’s toe allegedly conjures good fortune.

A book bound in the skin of an infamous criminal, along with countless other specimens.

This early version of the guillotine was used to execute the man responsible for its construction.

Remnants of the 16th-century defensive wall still stand unassumingly within Edinburgh.

This small museum in a 17th-century building honors three iconic Scottish writers.