The world's first zoo for microbes collecting the horrible and wonderful things living on and around us.

Established in 1638 to battle the Black Death, Hortus Botanicus Amsterdam is a treasure trove of rare flora.

Massive puppet-automaton machines created by French artist collective Machines de l’Ile.

Abandoned railway line circling the city of Paris.

One of the world's most complex timepieces.

In Florence's great Duomo, a 26 foot fresco honors a mercenary famous for attacking Florence.

The oldest operating pharmacy in the world features 800-year-old recipes.

This London pub hides a peculiar secret: a recreation of the rooms shared at 221b Baker Street by Sherlock Holmes and Dr. Watson.

This Parisian fountain is a little bit fantasy and a little bit nightclub.

Do these monsters look familiar? The gargoyles on this church are all from pop culture.

The curios of pharmacist and collector Henry Wellcome.

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

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

A century-old tradition has culminated in a small but singular collection of feline effigies.

The last bastion of Roman presence north of the Alps looms over a German town.

The true age of this ancient stone circle is unknown, but its stunning vista isn't in question.

Thanks to both terrific preservation and historic vandalism this ancient site is known as the "Heart of Neolithic Orkney."

Macbeth's infamous "Great Birnam Wood."

The Titanic sails again in one Scotland man's backyard.

A magnificent, iconic stone tower in the Scottish Highlands.

This remote Scottish isle is only inhabited by seals, birds, and the memory of a tragic settlement.

This Scottish burial tomb once held hundreds of ancient eagle bones.

This tin chapel was built by POW's during World War II and is painted to look like something much more grand.

Possibly the oldest of Britain's ancient henges is also one of its most stark.