From Tintin to the Smurfs, Europe's greatest graphic icons are celebrated in a grand Art Noveau gallery.

Cozy basement bar sports an inventory of over 2,000 beers.

The famous winding walk at Chartres is surrounded in mystery and myth.

The mummified heart of Louis XVII, the lost dauphin of the French Revolution.

A museum which takes visitors to the côté obscure of Paris.

Exquisite wall sculptures carved in secret by an early quarryman in an obscure corner of the Paris Catacombs.

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

The headless bodies of more than 1,300 guillotined victims of the Reign of Terror are buried here in mass graves.

Museum on French naval history, with magnificent figureheads, a historic diving suit, and a boat used by Napoleon.

The subterranean "lake" below the Paris opera house inspired the Phantom of the Opera's lair.

This surreal statue brings a famous French novel about a supernatural cad to arresting life.

Hidden away in a modern library are the remains of one of the 18th century's most celebrated wunderkammers.

An overlooked marble is the only surviving in-place 18th century example of the measurement that changed how we define distance.

The ruins of a Duke's bucolic dream, where camels once roamed alongside "Dutch" windmills and faux-Italian vineyards.

Egyptian Revival movie palace abandoned for decades and restored in 2013.

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

A museum on the history of Paris, including a set of Napoleon's toiletries, Proust's room, and relics of the Revolution.

A museum of magic with a Sadist past.

France's national museum of scientific and industrial instruments.

A museum of carnival attractions where you are invited to ride the rides.

Abandoned railway line circling the city of Paris.

Hidden in a Scotland museum is a copse of extinct tree stumps.

Early Medieval stones sit on display at the beautiful Govan Old Church in Glasgow.

The community pools that the community refused to give up on.