The accidental discovery of this gilt bronze head led archaeologists to find the Roman Baths in the city of Bath

One of Antoni Gaudí’s earliest buildings, built between 1886 and 1890 for the industrialist Eusebi Güell.

Mountain where Jesus was first tempted by the Devil.

Barça football fans might see the insignia hidden in a church window as a divine sign.

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

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

Madrid's romantically ornate crystal palace has been offering shelter to plants and art for over a century.

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

A pair of gigantic baby heads greet passengers at Atocha Station.

One of the world's oldest universities houses an incredible collection of anatomical models, mummified body parts, and human bones.

A masterpiece of Rationalist architecture in the center of Madrid with lizards on it.

This macabre masterpiece of a mural is one of Francisco Goya's "Black Paintings."

This small and often-overlooked museum holds some of Spain's finest artistic treasures.

This Scottish graveyard is the final resting place of the man who inspired the character Ebenezer Scrooge.

Inside this cathedral is a shoulder bone belonging to the Patron Saint of Scotland.

A labyrinthine network of chambers with a storied past hides below Edinburgh's South Bridge.

Possibly the world's smallest museum is home to one exhibit that sheds light on the capital city's dark criminal history.

Brass bricks outline the locations of Edinburgh's lost, lively market stalls.

A sweet symbol marks the place where torturous executions were once carried out.

This sculpture of disembodied body parts forms a poignant memory of the horrors of World War II.

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

The final resting place of soldiers' loyal canine companions.

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

This tree was grafted from the actual tree that led Isaac Newton to ponder the theory of gravity.