Follow the original medieval paths that wind through this intriguing section of the city.

17th-century merchants in Bristol nailed their deals by placing money on these pedestals.

The unusual clock on this 18th-century market building has an extra minute hand for "Bristol time."

Banksy's image of a naked man dangling from the window of a sex health clinic.

The Bristol Camera Obscura housed in an ancient windmill.

An impromptu shrine appeared shortly after beloved "Torchwood" character Ianto Jones was killed off the show.

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

The remains of an ancient bathhouse sit inside this aptly-named pub.

A multi-storied painting that depicts the area's rich and diverse maritime history.

Brass bricks outline the locations of Edinburgh's lost, lively market stalls.

The building where Mary, Queen of Scots was said to have bathed in white wine.

Overlooking the burial ground is a tower designed to prevent thieves from snatching the recently deceased.

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

Climb inside an iron crystal magnified 165 billion times its normal size.

After starting as a whimsical tourist attraction that eventually found its way to ruin, these renovated canals offer a lush and exotic locale on the Pacific Coast.

The ruins of this gorgeous clifftop castle look like something from a fantasy novel.

A pagan tradition of draping trees with rags eerily lives on.

A castle in the Scottish Highlands has been continuously inhabited since the 1300s.

This otherwise ordinary close on the Royal Mile constituted the end of the world for Edinburgh’s poorest residents.

A close look reveals that the Scottish monument is just slightly off-kilter.

A 200-year-old collection of oddities and medical paraphernalia.

Nestled amid the peaks and lochs of the Scottish Highlands, this inn and pub has played host to outlaws and ghosts.

Largest lake in Great Britain measured by surface area.

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