I visited a 'haunted' 18th-century mansion in New York City and saw things I couldn't fully explain

Tech Insider : Business
Morris-Jumel Mansion.
The historic Morris-Jumel Mansion in Washington Heights, New York, New York, USA. George Washington used the mansion as his temporary headquarters during the Revolutionary War.

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9 of the world's most haunted castles and mansions — and a look at their dark histories

Tech Insider : Travel
Castle of Trecesson
The Château de Trécesson.

Photo by Gerard SIOEN/Gamma-Rapho via Getty Images

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