This trio of neolithic stone monuments are fabled to be a king and his knights that were petrified by a witch.

Quaint, disturbing, and macabre objects are all on display at this intriguing collection of medical instruments from bygone eras.

Standing atop Wellington Hill is the world's tallest three-sided obelisk.

Giant naked man on a hillside.

A majestic mansion designed in Mughalai style, complete with a turquoise onion dome.

This medieval sanctuary's tree-framed door looks like a portal to a mythical realm.

A miniature village mimics the surrounding buildings so well it includes itself.

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

A memorial to the British politician who spearheaded the National Health Service.

There are hundreds of secret WWII bases hidden in British forests. Built to fight a Nazi invasion, they remained unknown for decades.

The enormous earthwork sculpture honors the ponies that lived and worked in the old colliery.

Deep in the countryside lie the remains of one of the grandest Roman dwellings in Britain.

A harem-inspired Moorish fantasy design in a Victorian-era Welsh castle.

The oldest working mechanical clock in the world.

A 200-year-old prison that now houses a peculiar crime museum.

On this wooded path, a stained-glass window creates a spellbinding forest cathedral.

Soldiers carved these regimental badges into the chalk hills in remembrance of those who died in World War I.

This stretch of the River Severn where large waves flow against the current is the birthplace of river surfing.

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

The mysterious, fantastical woodland inspiration for "The Lord of the Rings."

The metal frame is all that's left of a wicker sculpture which once towered over the M5 motorway.

The first archaeological site discovered by aerial photography.

Colin Stokes "got a bit carried away" and built a castle that looks like something out of Tolkien.

The largest stone circle in the world has ended up bringing up more questions than it has answered.