This moss-covered boulder is said to be part of a diabolical plant to sabotage the Durham Cathedral's foundation.

The fossilized trunk of a tree that grew around 320 million years ago.

This temple was constructed entirely by Roman soldiers.

Stonehenge has nothing on Castlerigg’s views.

This building played host to some of the most influential minds of the Industrial Revolution and now serves as a reminder of the influence of Northern coalfields.

The view that inspired the scenes of Dracula's first landing in England.

These planks were originally installed to hold the dead.

The gloomy ruins that inspired Bram Stoker to bring Dracula to life.

A monument to the real explorer and bear who inspired characters in Philip Pullman's 'His Dark Materials.'

A large grotto built in the 16th century amidst Florence's famous Boboli gardens.

The first botanical garden, a feather in the cap of the Grand Duke of Tuscany.

A slightly creepy gallery of plaster cast models in the same museum as Michelangelo's David.

A plaque on the base of this statue holds a bewitching design.

The doodles of a genius line the walls of a secret room under the Medici Chapel, where they were hidden for nearly 500 years.

The only visible reminders of an elaborate engineering project that kept the tower from reaching the tipping point.

Next to the Leaning Tower of Pisa is a cemetery home to ancient sarcophagi and disturbing murals.

The middle finger of modernity.

Legend says this mysterious stone head belongs to a woman who was petrified by an alchemist.

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

Renaissance hospital featuring a rotating door into which unwanted babies were dropped.

The famous sculptor left his mark on this Italian wall in an internationally protected example of street art.

This bronze boar's snout has been rubbed to a golden sheen by visitors seeking good fortune.

Drink wine handed out through a window as part of an age-old tradition.

This private skyway is filled with art and was expanded explicitly so that Hitler could appreciate a river.