The oldest and smallest cemetery in Paris is only open to the public twice a year.

One of the oldest masonic museums in Paris.

Beggars were miraculously "cured" of their fake ailments when they returned home to this 17th century Paris slum each night.

Saintly bones pressed into a wax effigy of a Catholic superstar.

The recovered bones of martyrs slaughtered during The Terror are on display in this church crypt.

This little-known relic crypt holds stolen parts of a Roman Empress.

A popular shrine where the Blessed Virgin allegedly appeared in 1830, displaying a holy armchair and two incorruptible remains of Lady Saints.

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

Indents in the pavement are all that remain from a grisly death machine in Paris.

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

A grotto-like lodge decorated with gilded mosaics, rocks and a noisy waterfall was the setting for the most sumptuous pleasure house of 1900s Europe.

Weird wax anatomical models reside here, as do other anatomical specimens.

Walk upon the mementos of the dead in this Parisian courtyard paved with medieval tombstones.

A snowy highland notorious for unexplained aircraft crashes is France's own Bermuda Triangle.