Remnants of the 16th-century defensive wall still stand unassumingly within Edinburgh.

The 16th-century church has the only stained glass windows that survived the Scottish Reformation intact.

A six-ton wedding present for the King of the Scots.

Overlooked by many, the two famous Scottish warriors guard the main gate of Edinburgh Castle.

The tomb of one of Scotland's bloody historic villains is a magnet for bumbling desecrators.

Long abandoned underground complex to keep royals safe from a nuclear war that never came.

A sweet symbol marks the place where torturous executions were once carried out.

The final resting place of soldiers' loyal canine companions.

Accessible only at low tide, the deserted island is dotted with World War II ruins.

The fountain marks the area where hundreds of accused witches were burned at the stake.

A 18th century graveyard and its astonishing cortege of macabre iconography.

Tiny effigies of the victims of Edinburgh's famous Anatomy Murders.

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

17th century streets hidden under Edinburgh were once a breeding ground for the black death.

The popularity of Sherlock Holmes led to the creation of his fictional address, turning the orderly London street numbers askew.

This South London cemetery holds the remains of more than 15,000 people.

Stepping away from the glitz of mobsters and casinos to learn about the other history of Vegas.

Northern Ireland's Brobdingnagian stepping stones.

A taste of the macabre Tokyo's ritzy shopping district.

Cabaret where the show girls are all androids, and the patrons couldn't be more pleased.

The atmospheric road was never meant to be so creepy.

Fine dining in the bizarre world of Lewis Carroll.

This volcanic cave lake is essentially hard proof that Iceland is the most magical place on Earth.

The real life Hobbiton, this sheep farm has been forever transformed since being built for The Hobbit film series.