This massive boulder was hurled into a Zurich church when a gunpowder depot was struck by lightning in 1652.

Visitors dating back to the 1600s carved their marks in the stones of the iconic tower.

Explore this medieval cathedral by trying to spot all the malevolent monsters hiding in its beautifully colored windows.

There has been an astronomical clock on this spot since the 14th century.

Commonly acknowledged as the only public monument to the Devil himself.

A whimsical brother of the nearby Fallen Angel statue takes the falling part quite literally.

Artist Natividad Sánchez wrote a new ending for one of Roman mythology's tragic love stories.

An ancient Egyptian temple in the middle of Madrid, Spain.

A stone slab in Madrid marks the point from which the distances of Spain's national roads are measured.

These "mermaids" that surround a plaza in Segovia are rather sphinx-like.

For decades, Puerta del Sol has been illuminated by a giant, guitar-wielding bottle of sherry.

This sweet-toothed bear searching for snacks has been a symbol of Madrid for decades.

The "lost friend” is the most famous of the six moai statues that were removed from Easter Island.

This magnificently macabre shield shows the power of chivalrous love in medieval times.

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

This intriguing Bronze Age artifact spent centuries hidden within a Welsh faerie hill.

A gruesome and mysterious ancient sculpture of a pagan deity from the Roman occupation of Celtic Britain.

These mysterious Viking chess pieces spent centuries hidden on a remote Scottish island.

A six-ton wedding present for the King of the Scots.

Touching this 18th-century Scottish philosopher’s toe allegedly conjures good fortune.

Famously misunderstood wonder of the ancient world

Austrian and Germans who died on British soil during World War I and II are buried here.

The ruins of an ancient stadium that hosted gripping chariot and horse races.

The hilltop ruins of a border fortification in the Italian Alps that was much fought over.