This London marker celebrates the spot where the world-famous English band was founded.

Tucked away behind the mansions of Mayfair, this picturesque garden is a hidden London treasure with a spooky past.

This overlooked street light once served as a KGB dead letter box.

Once designed as the entrance to Buckingham Palace, this structure was later relocated and stands as a victory arch.

A 15th-century monumental Latin inscription on this house celebrates Lorenzo Manilio's love for Rome.

Plaques on its facade commemorate the Tiber's most destructive deluges.

A detailed pachyderm supports Rome's smallest Egyptian obelisk.

An ancient Roman temple first dedicated to an emperor's wife is now a church.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

Before it was buried by volcanic ash, this fast-food restaurant fed the hungry hordes of ancient Rome.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

A charming beach town in Turkey captures all the colors of the rainbow.

An 18th-century religious argument etched into stone.

In the depths of Glasgow Cathedral's crypt, one pillar stands out from all others.

"Respectful to the dead, safe and sanitary to the living, dedicated to the Genius of Memory..."

A scene of a heinous act during a troubled period of Scottish history.

This seaside Scottish holiday rental lets you live out your bookselling dreams.

Pilgrimage site for star-crossed lovers.

Not far from the more famous House of Juliet, visitors will find the supposed residence of her lover.

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

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

The middle finger of modernity.

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

In one of the world's smallest countries, a royal's personal winery is open to the public.