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

A massive line that stretches across the floor of Bologna’s largest church was created by a 17th-century scientist to measure the movements of the Sun.

The people of Padua pledged to construct this church if the city was spared from destruction during World War I.

This 13th century castle is chock full of ghosts and impossibly rare cows.

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

The 20th-century chapel’s intricate woodwork includes amazing details, most notably angels playing bagpipes.

The hearts of 54 Habsburg royals received special burials here separate from their bodies.

A never-finished memorial to the heroes of the Napoleonic War has become "Scotland's Folly."

Only the stone foundations remain of one of the greatest Buddhist temples in early East Asian history.

The highest peak in all of England is plagued by dangerously fickle climate shifts.

Up on the iconic Tsutenkaku Tower sits an American mascot that became Osaka’s own lucky god.

Over several decades, one of London’s most iconic city gates was dismantled, moved out of the city, and then moved back.

The ancient village known as Set Maat, or the 'Place of Truth,' located on this site served as a hub for intellectual and artistic endeavors.

Visit the remains of a notorious Victorian-era correctional facility.

Go deep down into the earth to experience the world of Welsh coal miners.

This former Welsh metal factory is now a lovely abandoned relic but was once one of the industry's world leaders.

Enthusiasts of the mid-20th century magician and comedian erected this statue in the small Welsh town in which he was born, even though the comedian only lived there for three years.

Chester Cathedral is home to a unique painting crafted on a canvas of cobwebs.

The western face was supposedly left clock-less to snub the Welsh.

Mysteriously stacked storefront paths give this medieval British town an iconic style like none other.

These ruins of a medieval church are full of architectural mysteries.

Latvia’s first skyscraper, nicknamed ‘Stalin’s birthday cake.’

One of the world's smallest functioning lighthouse boasts an unexpected connection.

These ruins witnessed the final gathering of the failed Jacobite Rebellion.