1910s Unexplained Events

Mysterious serial killer terrorized New Orleans from 1918-1919, targeting Italian grocers with axes. Left cryptic letters claiming to be a demon who spared jazz lovers.

Eight victims brutally murdered with an axe in a small Iowa farmhouse. Over 100 years later, the killer remains unknown.

A 15th-century illustrated codex written in an unknown language and script that has defied all attempts at decipherment for over a century.

Former tuberculosis hospital where thousands died. Staff reported unexplained phenomena during operation. Now considered America's most haunted location.