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

A popular shrine where the Blessed Virgin allegedly appeared in 1830, displaying a holy armchair and two incorruptible remains of Lady Saints.

This former “ante-chamber to the guillotine” has been refurbished to illustrate the brutal history of French justice.

This statue was given to France by the United States to commemorate the centennial of the French Revolution.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

19th century pendulum and a clock restored by a rogue group of guerilla artists.

France's most famous cemetery, with some of its most curious tombs.

A medieval replica of King Arthur's legendary table, the Round Table hanging in Winchester Castle was decorated by Henry VIII.

Famously misunderstood wonder of the ancient world

A unique tribute to the millions of animals who served and died for the British military.

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

Richard III supposedly disposed of his nephews' bodies here in an effort to seal his claim to the throne.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

The London pub overlooks where the Mayflower was moored before setting sail for the New World.

The first tunnel to be dug beneath a river, repurposed as an art and museum space.

This one has sailed five times as far as Sir Francis Drake's famous ship.

Mary Kelly was last seen here before she was murdered by Jack the Ripper.

Giant, friendly pelicans in Central London, the most unlikely of places.

Scattered throughout London are ancient remnants of the city's former bounding wall.

An easily overlooked stretch of ornate window fronts and gaslight lamps that could be right from the pages of Dickens.

The largest of London's subterranean rivers and once a mad, bad center of London life.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

This stunning concert hall has become a symbol of Iceland's national recovery.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.