Twelve grave-faced marble angels guard the emperor's tomb at Les Invalides.

The television series' iconic giant foot was borrowed from this classical painting.

Madrid's romantically ornate crystal palace has been offering shelter to plants and art for over a century.

The iconic boulevard is the perfect place to catch sight of a bicycling skeleton, a levitating Satan, or a chef with his head stuck in a pizza.

Largest lake in Great Britain measured by surface area.

The heads of two giant mythological water horses honor Scotland's horselord past.

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

A church that bred legends, and served as an inspiration for the Da Vinci Code.

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

The final resting place of soldiers' loyal canine companions.

There are plenty of wonderful panoramic vistas in Edinburgh, but not many are hidden smack in the middle of the Old Town.

360° views of the city plus five floors of optical illusions and hands-on science.

One of the oldest scientific gardens in Britain, containing more than 13,302 plant species in its core collection.

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

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

This early version of the guillotine was used to execute the man responsible for its construction.

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

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

Protecting the dead from opportunistic body snatchers.

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

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

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