In 1861, William Mumler sparked a Victorian ghost photo craze exploiting Civil War grief until P.T. Barnum exposed the darkroom scam at trial in 1869.
From the cursed tomb of Tutankhamun to the bloody fields of Gettysburg, real tragedies have left these famous landmarks haunted.
All but one of the so-called Seven Wonders of the Ancient World disappeared long ago, but you can still visit these lesser-known ancient wonders.
During World War II, both the Allied and Axis powers used special forces units to accomplish specific tasks. What are some lesser-known special forces?
Some researchers believe that the famous painter Walter Sickert was the notorious killer who shocked Victorian England with a series of gruesome murders.
Most nations today describe themselves as some sort of republic, but many used to be monarchies with autocratic rulers. What happened to this once-popular system of government?
German physician Franz Mesmer claimed he could cure any illness with his animal magnetism until Benjamin Franklin's investigation ruined his career for good.
Born and raised in Germany, Marlene Dietrich later renounced her German citizenship to become one of the loudest celebrity voices against the Third Reich.