A peace symbol in Northern Ireland is among the world's largest hedge mazes.

A meandering boardwalk across the bogland leads to a "stairway to heaven" with sublime views.

This museum housed in a former brothel explores the past and present of sex work in Amsterdam.

Amsterdam's Red Light District leaves little to the imagination.

The history and future of cannabis.

A rocky sea serpent hides caves, blowholes, and a spectacular natural bridge.

This lonely cast-iron structure is the only wave-washed lighthouse of its kind left in all of Britain.

This former military airfield's claim to fame came from a lucky accident during the Second World War.

A hermit's tiny cell built into the cliffside that saved him in South Pembrokeshire.

The Stonehenge of Wales is one of the grandest neolithic dolmens still in existence.

A 19th-century funicular railway shuttles visitors up this surprising sea cliff to one of the world's largest camera obscuras.

Three bridges straddle a stream, one stacked upon the other.

A 4,500-year-old forest is slowly being revealed from beneath the sands of a Welsh beach.

A hidden tunnel leads to an abandoned slate quarry that's now a secret swimming spot guarded by cliffs.

The stately remains of Llywelyn the Great's mighty fortress.

An abandoned quarrying village turned commune is now a hub for learning the Welsh language.

The remains of centuries of copper mining appear like an alien landscape.

Legends say that this small island was the final resting place of the Welsh saint of lovers.

These haunting ruins belong to an ancient village that once had one hell of a view.

This neolithic stone grave has been altered and restored so often its now more neo than lithic.

This Welsh village gave itself a ridiculous name in a publicity stunt a century ahead of its time.

The highest peak in Wales is said to be the final resting place of a giant killed by King Arthur.

The world's largest prehistoric copper mine had 30,000 animal bones scattered throughout the maze of passageways.

One of the world's oldest trees comes with a Welsh legend intertwining it with a spirit prophesying death.