135 bronze medallions mark a French meridian line which once rivaled the hotshot Greenwich timeline.

A 16th-century fountain marks the site of a lost medieval cemetery once filled with mass graves.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

A mechanized clock where a man fights off a dragon, crab, and rooster.

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

The very center of Paris is surrounded by a bevy of strange good luck rituals.

The celebrated eyesore created by starry-eyed sweethearts.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

Notorious artist squat renovated into legal studios.

This enormous spiral sculpture looks strangely out of place on the edge of a housing development.

The former home of a railway legend and the site of a gigantic labyrinth.

One of the town's most famous residents, holding one of his most famous creations.

The whimsical twist of this spire was either caused by the Devil, an unexpected virgin, or lead.

A secret meeting in this small cottage changed the course of British history.

A unique 1980s designed church sits uncomfortably in its traditional Victorian churchyard.

This unique medieval court deals solely with the lead mining laws in two small areas of Derbyshire.

The world's first successful water-powered cotton mill paved the way for the factories of the British Industrial Revolution.

Be on the lookout for the symbolic insect all over the city.

This massive memorial commemorates those who died in the Manchester Arena bombing.

Manchester's abandoned train depot lingers in a post-industrial purgatory.

The small bright red pillar survived the 1996 Manchester bombing virtually unscathed.

The house where Charles Darwin's grandfather formed many of his influential ideas and inventions.

This fantastical and eclectic English garden takes its inspiration from Egypt, China, the occult and more.

This stone throne invites adventurers to observe breathtaking views of the Peak District.