Kings Cross Station pays tribute to its role in Britain's best-selling book series.

A popular shrine where the Blessed Virgin allegedly appeared in 1830, displaying a holy armchair and two incorruptible remains of Lady Saints.

The water-powered carriages are long gone, but for over a century this funicular railway has been the fastest route to the highest point in Paris.

Twelve grave-faced marble angels guard the emperor's tomb at Les Invalides.

A scandalous Art Nouveau collaboration that set Paris all atwitter at the turn of the century.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

An early 20th-century bullring converted into a modern shopping center.

Catalonia Tradition: Beating the hollow Christmas log until it defecates in your fireplace.

The iconic boulevard is the perfect place to catch sight of a bicycling skeleton, a levitating Satan, or a chef with his head stuck in a pizza.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

A sea cave with a waterfall and Viking past

The sign marks one of the endpoints to mainland Britain's longest overland travel route.

The 20th-century chapel’s intricate woodwork includes amazing details, most notably angels playing bagpipes.

From here, the loch appears to take the shape of mainland Scotland.

This tin chapel was built by POW's during World War II and is painted to look like something much more grand.

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

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

A magnificent, iconic stone tower in the Scottish Highlands.

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

This Scottish burial tomb once held hundreds of ancient eagle bones.

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

Protecting the dead from opportunistic body snatchers.

The final resting place of soldiers' loyal canine companions.