Paris Catacombs Entrance (Exterior Only) Stand outside the official entrance of the Paris Catacombs and uncover the dramatic story behind one of the city’s most mysterious sites. Learn why millions of bones were moved underground, how the ossuary was created, and what makes the Catacombs so unique—explained clearly from the outside, without entering.

Explore this historic square built above former underground quarries. Discover how this area became a key gateway to underground Paris and hear stories about its strategic importance during different periods of Parisian history, including World War II.

Walk along the avenue named after a leader of the French Resistance. ENTER The 2nd World War Bunker and Learn how underground tunnels beneath Paris were used as secret command centers during World War II and how the city’s underground played a crucial role in its liberation.

Stroll through one of Paris’s most famous cemeteries and discover the contrast between burial traditions above ground and the vast ossuaries below the city. See the graves of famous artists, writers, and thinkers while learning about Parisian funerary art and symbolism.

Conclude the tour in the Montparnasse area with a summary of Paris’s underground history, how the city manages its hidden spaces today, and general advice for exploring Paris responsibly.