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.

An image of the legendary saint stands in the shadow of a cathedral she liberated.

A beautiful Victorian statue shows France's enduring love of the rhinoceros.

This enormous "cloth of the conquest" depicts the Norman invasion of England in mind-blowing detail.

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

This statue was given to France by the United States to commemorate the centennial of the French Revolution.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

The obelisk honors the cyclist troops who were killed during World War I.

These medieval carvings bear scars left by Parliamentarian troops during the English Civil War.

Keep a lookout for replicas of this wooden soldier hiding in plain sight all around town.

The only pub in the world surrounded by an ancient stone circle.

This charming, narrow-gauge railway in the Thames Estuary is sometimes referred to as the "Train to Nowhere."

A local museum honors the overlooked discoveries of Mary Anning, one of the first professional fossil hunters.

A seaside town with no sea in sight.

A strange and ancient landscape hides the dark, cavernous remains of a 5,000-year-old flint mine.

This foreboding medieval castle was twice besieged by barons rebelling against the English king.

A giant roundabout made up of six smaller roundabouts can befuddle the uninitiated.

One of the oldest amusement rides in existence was a huge disappointment to its creator.

One of Oxford's greatest treasures likely belonged to the legendary King Alfred the Great.

London's marvelous wildfowl reserve along the Thames.

The Neolithic megalith was one of the first archaeological ruins protected by the British government.

A labyrinthine underworld of tunnels and caverns hides beneath the city.

This giant geoglyph of mysterious origins is now the site of neo-pagan rituals.