This modern labyrinth lies in the shadow of a ruined medieval castle.

Britain's only herd of free-ranging reindeer.

Dating back almost 400 years, the oldest public collection library in the United Kingdom was once the study hall of Karl Marx.

These morbid carvings remind churchgoers of the inevitability of death.

A metal tree emits eerie, melodic notes on top of Lancashire's Crown Point.

This Scottish bridge seems to compel dogs to leap to their death.

A 6th-century stone lies at the site of the mythical battle waged between King Arthur and his nemesis Mordred.

A small island abbey is the final resting place of many medieval Scottish monarchs, including the real Macbeth.

This abandoned asylum in Wales might look haunted, but it's still beautiful.

The fierce beast perches atop a pedestal marking where the historic City of London gates once stood.

A historic arboretum and non-conformist, non-denominational park cemetery.

Dictionary Johnson’s favorite feline.

Where condemned pirates met their grisly end at the gallows on the River Thames.

A labyrinthine network of chambers with a storied past hides below Edinburgh's South Bridge.

Pop culture has helped to keep this iconic British building from being destroyed.

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

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

The one-time stronghold of the noble Douglas family, now home to ghost sightings and nesting birds.

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

A beautiful Greco-Roman structure houses a well once believed to have healing powers.

A familiar otherworldly creature guards this 12th-century Scottish abbey.

A site of pagan worship which still attracts people looking for fairies.

The last inhabitants of one of the U.K.'s most remote islands were evacuated in 1930.

This allegedly haunted 16th-century tower house-turned-museum exhibits thousands of spectacular objects.