Extras

Video thumbnail: NOVA Stabilizing Notre Dame's Famous Buttresses

NOVA

Stabilizing Notre Dame's Famous Buttresses

If the vaulting collapses, the weight of the buttresses will push in the 100-foot walls.

Stabilizing Notre Dame's Famous Buttresses

Video thumbnail: NOVA Saving Notre Dame's Stained Glass Masterpieces

NOVA

Saving Notre Dame's Stained Glass Masterpieces

Could the cathedral's beautiful stained glass collection survive the 2019 fire intact?

Saving Notre Dame's Stained Glass Masterpieces

Video thumbnail: NOVA Repairing Notre Dame's Vaults with Underground Quarries

NOVA

Repairing Notre Dame's Vaults with Underground Quarries

Hidden under Paris is a rich source of limestone, a vast labyrinth of quarry tunnels.

Repairing Notre Dame's Vaults with Underground Quarries

Video thumbnail: NOVA Saving Notre Dame Preview

NOVA

Saving Notre Dame Preview

Scientists and engineers fight to save Notre Dame Cathedral after the 2019 fire.

Saving Notre Dame Preview