Rue Obscure, Historic covered street in the old town of Villefranche-sur-Mer, France.

This narrow medieval passageway stretches 130 meters through the old district, featuring stone archways overhead and ancient walls that create a tunnel-like corridor connecting different parts of the historic center.

Originally constructed in 1260 as part of the city's defensive system, this covered street served as a secure military pathway allowing soldiers to move through the village while remaining protected from enemy observation.

The street's cellars once sheltered donkeys and goats; one 14th-century cellar holds a well. Its dark, arched passage drew filmmakers: Jean Cocteau shot scenes for 'Le Testament d'Orphée' here in 1959, and Roger Coggio filmed 'Les Fourberies de Scapin' in 1981.

The only documented access is from the north end of rue du Poilu. The passage is covered and dark, lit by hanging lanterns, so it can be walked at any hour; the floor of large, uneven stone slabs needs care underfoot. Look for the low arch at the far end opening onto bright light.

Unlike typical streets, this passage was gradually covered by buildings constructed above it over the centuries, transforming what was once an open military route into a mysterious underground thoroughfare that residents used to shelter livestock.