Less than half a mile from the canals of Venice, Poveglia Island has served as a quarantine zone for bubonic plague victims, storage space for Napoleon's weapons, and the site of an early 20th-century insane asylum.
The asylum played host to horrific medical experiments, reports The Travel Channel, and finally closed for good when a doctor threw himself off the institution's bell tower. Locals still claim to hear echoing chimes from the island—even though the bell was removed decades ago.
It's illegal to visit Poveglia today, but you can see the island and decaying hospital safely from the beaches of nearby Lido.
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