This ancient Roman arch misled treasure hunters for centuries.

This one-of-a-kind Roman arch is not actually dedicated to the god Janus.

This is the oldest Roman-made bridge in the city still existing in its original state.

This medieval church in Rome was almost destroyed following a terrorist attack in 1993.

In the early Roman Empire, people deemed traitors and criminals were tossed to their deaths from this rock.

A rare memorial paying homage to an altruistic woman from the 19th-century.

The bell that once tolled atop a lost Edinburgh gate now hangs for all to see.

Poetic, metallic giraffes adorn a square off an Edinburgh thoroughfare.

This king penguin is a knighted brigadier of the Norwegian Army.

The most loyal of little dogs, or a Victorian era publicity stunt?

The taxidermy remains of the first mammal ever cloned from an adult cell are on display in Edinburgh.

A book bound in the skin of an infamous criminal, along with countless other specimens.

A 18th century graveyard and its astonishing cortege of macabre iconography.

Scotland's oldest medieval bridge is also among the last reminders of early medieval Aberdeen.

The location of this historic castle was inspired by a donkey.

This site contains overlapping ancient graveyards that existed about 1,000 years apart.

A much-loved local landmark pays tribute to the shipbuilding past of this area.

This unassuming alcove in London’s famous Tower Bridge once served to capture, store, and display dead bodies from the River Thames.

The medieval woodcut-style artwork chronicles life in medieval London.

The pockmarks across the building's facade are remnants of the Blitz.

This bewitching Babylonian goddess haunts a hallway of the British Museum.

The bridge is a secret gallery of discarded gum that has been transformed into miniature masterpieces.

This ancient Egyptian obelisk still bears the wounds of World War I.

This beautiful deer park was built so King Charles I and his court could go hunting while escaping a deadly plague outbreak.