284 steps spiraling to the top of the Arc de Triomphe with panoramic views of Paris and the Champs-Élysées.
131 spiral stairs descending 20 meters to the Paris catacombs ossuary containing remains of 6 million people.
1,665 steps total to summit, with first two levels (674 steps) accessible to public climbers willing to tackle the iron lattice structure.
Historic hilltop neighborhood in Paris featuring numerous staircases leading to Sacré-Cœur Basilica and charming artistic streets.