A 250-year-old timepiece-automaton adorned with golden mechanical birds, which still sing to this day.

Perhaps the tiniest sculpture in Saint Petersburg is a little bronze finch inspired by a song.

Amsterdam's former hotspot for public executions and dissections.

This city square is home to Amsterdam's oldest church and a statue honoring Dutch sex workers.

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

Memorial to the Titanic engineers that died working to hold back the sea.

This stately monument has been wearing a traffic cone hat for decades much to the delight of the locals.

A scattered trail of street art adds a pop of color to the city's stark structures.

A 2000-year-old Roman amphitheater lies just below Guildhall Yard.

Artists and musicians now rule over this former rail station.

This pump on the bad side of Victorian London betrayed a horrifying revelation about the water supply.

The remains of an ancient Roman teenager are memorialized at the base of a modern London landmark.

A hidden treasure in London with a rich medieval history, and the resting place of many luminaries.

A mysterious pair of mice eating a piece of cheese is London's smallest public sculpture.

The 2,000-year-old beam is tucked within the pedestrian entrance to the old London Bridge.

A island reachable by a causeway at low tide is possibly one of the earliest Western European locations to be identified in text.

The excellent acoustics of this natural amphitheater made it a popular preaching spot for the founder of the Methodist Church.

This ruined 15th-century hermitage is steeped in myth and mystery.

The largest greenhouse in the world is home to over one million types of plants.

Legend says these rocks used to be hunting dogs, a story that may have inspired Sherlock Holmes' most famous case.

This historic Benedictine monastery brews a booze so toxic that it has often been blamed almost singularly for Scottish hooliganism.

The metal frame is all that's left of a wicker sculpture which once towered over the M5 motorway.

Constructed from recycled wrought iron railroad tracks, it's been described as the most beautiful seaside pier in England.

J.R.R Tolkien, C.S. Lewis, and other "Inklings" met at the Oxford pub to discuss the now legendary fantasy stories they were writing.