The site where two doves fell in love.

The world's oldest rose is so tough it survived being bombed in World War II.

A swath of France so devastated by war it is still forbidden to go there.

A top-secret bunker now turned museum, is an eerie look at what life would have looked like in the event of nuclear war.

The world’s first museum dedicated to the history of childhood opened in Edinburgh in 1955.

This charming old building's loose connection with the Scottish Reformer is what saved it from demolition after it split apart.

Neon artworks light up this dark Edinburgh tunnel.

Brass bricks outline the locations of Edinburgh's lost, lively market stalls.

Inside this cathedral is a shoulder bone belonging to the Patron Saint of Scotland.

This monument is dedicated to a young boy who survived a disaster that forced Edinburgh to reevaluate its building codes.

An artist's whimsical transformation of everyday objects.

A 18th century graveyard and its astonishing cortege of macabre iconography.

Paris' linguistic guide to the international language of, yes, love.

The tradition of open-air secondhand and antiquarian bookselling in Paris dates back to the Renaissance.

The narrowest street in Paris.

Remains of Roman amphitheater hidden in a sleepy quarter of Paris.

The remaining relics of the patroness of Paris lie in a chapel under a striking double spiral staircase.

Located in the house where Gustave Flaubert was born, this odd museum has more to do with medical grotesquery than the Western novel.

Remains of the artificial harbours invented for the Allied invasion of Normandy can still be seen at sea.

This symbol of the French Revolution still stands where it was first planted during the 18th-century.

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

Try not to get slimed in Tribeca.

A semi-scholarly approach to sex.

The largest known open fault in the United States is basically a giant natural refrigerator.