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

A labyrinth hides in plain sight at each of the city's 270 Tube stations.

This obscure walkway links Edinburgh’s Old Town with one of the city's prime vantage points.

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

This landmark church concealed a crypt packed with bones that was discovered thanks to the London Blitz.

Come for the oysters, stay for the priceless art honoring inventors across history and Scotland's favorite outdoor sports.

This stately estate house features a tower covered in a bright, modern mural.

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

This cramped crevasse saw the entire population of its island suffocated inside its depths.

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

This ethereal, rainforest-like gorge is home to waterfalls, quaint bridges, and fairy folk.

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

An American ghost town hides along a side street in Scotland's capital.

A relic of Victorian grandeur hides beneath a busy South London road.

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

These ancient sunken lanes were naturally tunneled into the soft ground by countless footsteps.

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

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

The taxidermy remains of the first mammal ever cloned from an adult cell are on display in Edinburgh.

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

Since 1887, this old-school shop has stacked its shelves with extraordinary coffees and teas.

Museum about life, death, and cannibalism in the Stone Age.

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

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