Soak up some local history in this restored Edwardian era swimming pool.

Opened in 1932, this theater in Stockport's Mersey Square is a bonafide Art-Deco gem.

You can spot this teeny tiny stained-glass window from the Bonifacius bridge.

Inside this former medieval prison is a collection of objects designed to inflict unbelievable pain and suffering on the human body and mind.

These crumbling Nazi artillery bunkers are now fair game for massive graffiti projects.

The oldest working mechanical clock in the world.

A disastrous D-Day rehearsal was relatively unknown until this sunken tank was discovered 40 years later.

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

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

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

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

Over 100 towers were built in Bologna during the Middle Ages, but only 22 survive.

A large statue of Pope Gregory XIII in Bologna was disguised as Saint Petronius to avoid destruction.

Legend has it this fountain built to symbolize the Pope’s power hides a strange secret concerning Neptune's manliness.

A striking memorial recalls thousands of Bolognese men and women killed fighting fascists in World War II.

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

This medieval castle is filled with an eccentric collection that ranges from ancient Egyptian artifacts to taxidermy to a mummified hand that was cut off during a duel.

One of the oldest bridges in Norwich was used during the English witch trials and is said to be haunted.

A 17th-century church is nestled within the walls of a 15th-century ruin.

Keep a lookout for replicas of this wooden soldier hiding in plain sight all around town.

A chaotic collection of coin-operated slot machines designed to delight and disturb in equal measure.

Now famous as the "Harry Potter bridge," this impressive concrete viaduct has long been an icon in its own right.

A close look reveals that the Scottish monument is just slightly off-kilter.

A solemn memorial in a majestic setting that honors a 1692 tragedy.