If this volcano were to erupt, there would be enough ash expelled to cover the entire Earth, which will likely put us into a global cooling cycle, destroying the majority of our agricultural infrastructure.
Verzasca Dam
The Verzasca Dam was the source of one of the most iconic scenes in James Bond history. James Bond (actually, this was done by Pierce Brosnan’s stunt double) jumped off of this 720-foot da, straight down, he flew 400 feet before his secret bungee cord yanked him back.