Since its publication, only three of the twelve treasures have been found — one in Chicago in 1984, one in Cleveland in 2004, ...

However, what initially seemed like a fatal fire soon turned into one of America's most baffling unsolved mysteries. Once the ...

Have we already communicated with aliens? Where is Jimmy Hoffa? Unsolved mysteries comprise much of America’s extensive history. Despite countless armchair historians’ and true crime buffs ...

These unsolved musical mysteries are still haunting fans today... though there are a few explanations and theories out there.

Unveil the lost civilizations in history: once thriving centers of innovation, their whereabouts ceased to exist without ...

unsolved cases in Indigenous communities, and the role of genetic genealogy in solving decades-old mysteries. Jessica Silvers, sister of Nicole, shares her family’s ongoing struggle for closure ...

From the very founding of the United States, there have been many bizarre and unsolved mysteries that continue to capture people's imagination. Skip to main content The UnXplained Special ...

Even more appealing, these mysteries are presented to the reader ... captivating story, and unsolved mathematical challenges that range from geometry to number theory and more.