The 43-mile route crosses through six islands with gorgeous views of the Seto Inland Sea.

The heads of two giant mythological water horses honor Scotland's horselord past.

A remarkable feat of Victorian engineering across the Firth of Forth.

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

This cannonball embedded in the side of an Edinburgh house once served a surprisingly pedestrian purpose.

The fountain marks the area where hundreds of accused witches were burned at the stake.

The final resting place of soldiers' loyal canine companions.

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

Overlooked by many, the two famous Scottish warriors guard the main gate of Edinburgh Castle.

These steps offer a breathtaking view of one of Europe's most besieged fortresses.

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

This 17th-century street hidden beneath Edinburgh was once a breeding ground for the black death.

Dedicated to the Father of the British Fire Service.

Edinburgh's oldest statue hides within a parking lot behind the city's iconic cathedral.

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

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

This sculpture marks the spot where one of the greatest Roman rulers was proclaimed emperor.

A Reformation-era fiery figurehead once denoted this location as a print shop.

This sculpture made up of 22 bulbous bronze figures reminds locals of massive Weeble Woobles.

Locals affectionately dubbed this World War I memorial "Tommy."

According to local legends, a monstrous worm once wrapped itself around this hill by the River Wear.

The nearly 200-year-old folly has a secret spiral staircase hidden in one of its pillars.

Royal burial place of the kings of ancient Britain.

Preserved 19th-century lime kilns sit in southern Sweden.