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

The Tudor-style cottage in the middle of the square is not quite what it seems.

Carved initials which are nearly 500 years old preserve the deposed Queen's presence at Hampton Court Palace.

England's oldest surviving hedge maze has been confusing visitors for over 300 years.

The John Snow Memorial marks the epicenter of London's 1854 cholera epidemic.

A statue marks the exact spot where The Boy Who Never Grows Up made his first literary appearance.

The modern birthplace of Irish freedom.

The comedy and tragedy of Oscar Wilde is preserved in a Dublin park, captured in a sculpture of colorful stone.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

This awkward aquarium sculpture is one of the strangest statues in Chicago.

Sid Vicious famously punched a hole in the wall of this iconic music venue.

It is still illegal to "quarrel" at this unlikely urban oasis built on top of an electrical substation.

Murals of the wild parties once held on the frozen River Thames.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

This one has sailed five times as far as Sir Francis Drake's famous ship.

An artistic tribute to the famous singer, just around the corner from where he was born.

A replica of the steam engine that hauled Queen Victoria's Royal Train is on display at Windsor.

The curios of pharmacist and collector Henry Wellcome.

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.

The sixth of London's "Magnificent Seven" cemeteries, and a source of unlikely inspiration to Beatrix Potter.

19th-century scientists would make the pilgrimage here to verify the precision of their measuring sticks.

London's last remaining public soapbox site has seen speeches from Karl Marx, Vladmir Lenin, and George Orwell.

The oldest house in Glasgow is now a museum dedicated to the city's medieval history.

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