The bones of the Biblical Magi traveled to Constantinople and Milan before landing in their current home inside an elaborate golden reliquary in the Cologne Cathedral.

The largest bell in the world has been swinging high above a Cologne cathedral for almost a century.

This "floating railway" is one of the world's oldest monorail systems.

This boat represents the promise of undiscovered territory, a dream of hope, and progress and freedom for Iceland.

This mysterious, medieval cathedral remains unbuilt but fiercely protected.

A bay of elaborate, historic toilets are held in high esteem at this Scottish dock.

A monument reduced to a quarter of its original height proves that size isn't everything.

Glasgow's memorial to the International Brigade volunteers from Great Britain who fought and died in the Spanish Civil War.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

On the outside of the Mersey Tunnels, an Art Deco sculpture of an Egyptian Pharaoh wears goggles and racing gear.

A striking piece of street art in Southport depicting a much-loved racehorse.

19th century tunnels burrowed under Liverpool.

This stately monument has been wearing a traffic cone hat for decades much to the delight of the locals.

Displaced highlanders would take shelter from the wet Scottish climate under the large walled bridge at Glasgow Central Station.

An encyclopedic collection of mammal penises.

Across the islands, baked goods, sauces, and much more are for sale 24/7.

This memorial celebrates the legacy of the British-Norwegian resistance movement during World War II.

Legend has it that a Dutch fisherman lost control of his Shetland pony and tumbled from this cliff.

The unexpected mascot of Shetland's capital.

This audio art installation pays tribute to the weather and unique linguistic history of the archipelago.

A whale's jawbone and a malfunctioning harpoon welcome you to the village of Bragar and its lore.

A magnificent, iconic stone tower in the Scottish Highlands.

The mysterious megaliths have enchanted and intrigued visitors for thousands of years.