Hidden deep beneath the busy streets of Paris is a labyrinth of tunnels that stretches over 200 miles and is one of the world’s largest burial sites. With your expert guide, you’ll explore a subterranean world containing the remains of millions of Parisians while learning about their story and unearthing the secrets of this sacred place. Your tickets will also grant you exclusive access to passages and gates normally locked to the public for more intriguing stories, including those about secret societies still using the catacombs as their headquarters.