Paris Catacombs

The Catacombs of Paris are an underground ossuary beneath the city, created from the late 18th century within former limestone quarries. Facing overflowing and unsanitary cemeteries, authorities began transferring the remains of millions of Parisians into the tunnels from 1786, arranging bones and skulls into the sober, ordered walls that visitors see today. Inscriptions and memorial plaques accompany the remains, and the network forms part of a far larger system of quarry galleries that undermine parts of the city.

Unsurprisingly, an ossuary holding the remains of some six million people has inspired a rich body of ghost lore and eerie anecdote. These accounts are best regarded as reflections of the site's solemn power and human imagination rather than documented supernatural events; the Catacombs are first and foremost a place of remembrance.

The Catacombs hold real historical and public-health significance, illustrating how Paris confronted the crisis of its cemeteries and reshaped its relationship with death and the city beneath. Today the official visitor route is a respectfully presented museum that preserves this unusual chapter of urban history.

A designated section of the Catacombs is open to the public as an official museum run by the City of Paris, with timed, ticketed entry along a fixed underground route. Visits involve many steps down and up, low light, cool temperatures and a long walk, so comfortable footwear and warm clothing are advised.

The visit may be unsuitable for those with reduced mobility, claustrophobia or heart conditions. Booking ahead is strongly recommended, and visitors should note that exploring the wider, unofficial quarry network beyond the museum route is illegal and dangerous.