A bronze bust commemorates the heroism of the secret agents who led covert operations against the Nazis.

This ruin in a suburban park may be the place where Shakespeare's "A Midsummer Night's Dream" was first performed.

A beautiful ruin of a 14th-century Plantagenet castle built by a medieval mercenary.

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

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

One of Oxford's greatest treasures likely belonged to the legendary King Alfred the Great.

Along the most northwestern point in Africa is an ancient cave surrounded by legends.

Spend the night in this formerly abandoned traditional Scottish village.

In this Parisian garden's grotesque former life as a zoo it fed exotic animals to the bourgeois and put humans on exhibit.

The largest medical and anatomical collection in France lies hidden from the public.

A majestic lion statue guards this Parisian botanical garden, and feeds on an unsettling item.

A mechanized clock where a man fights off a dragon, crab, and rooster.

Walk upon the mementos of the dead in this Parisian courtyard paved with medieval tombstones.

High atop the Eiffel Tower is a small apartment built exclusively to entertain the science elite and make the rest of Paris jealous.

A haunting collection of the vanished and disappearing natural world.

One of the oldest medical collections in Europe focusing on rare surgical instruments.

This small museum in a former church crypt contains artifacts of the Elephant Man, Jack the Ripper and Florence Nightingale.

One of the world's largest collections of pathological specimens.

A collection dedicated to the treatment of disease, held in London's oldest hospital.

The site of London's first coffee house has been serving refreshments of one kind or another for 360 years.

The anatomical-pathological collection of a man who changed surgery.

In this cobwebbed old operating theater, you can practically hear the screams of the unanesthetized patients.

The curios of pharmacist and collector Henry Wellcome.

The perfectly preserved underground rooms where Churchill plotted the war against Germany.