Vanished in the Catacombs

A livestreamer vanished inside the unmapped Paris Catacombs. Viewers swore they watched new skulls

appear in the walls behind him — frame by frame — before the stream abruptly cut to dead air.

On the night of August 9th, 2015, 24-year-old urban explorer and streamer

known as “LucidLéo” began a special deep-dive episode: a real-time exploration of a forbidden,

unmapped section of the Paris Catacombs. His tone was excited at the start, headlamp illuminating

centuries-old bones stacked neatly along narrow corridors. Thousands watched live.

Around the 40-minute mark, Léo realized something chilling — his chalk markers were gone.

He had been marking every turn with bright white arrows, but retracing his steps revealed newly