"Unsolved mysteries that continue to baffle and frustrate investigators. Secret History uncovers the forgotten, mind-blowing facts that will leave viewers questioning everything. Follow wild stories ...

What would you do if a strange, low sound only you could hear was driving you crazy — and nobody believed you?

Prime Minister Narendra Modi planted a sapling during his visit to Indian Arrival Monument in Georgetown, Guyana on November ...

Not long after "Unsolved Mysteries" featured an episode on mysterious cases of cattle mutilation in Oregon, another Netflix series explores the strange phenomenon.

“There was just something really strange about the whole deal ... them -- have been floated as possible perpetrators. “Unsolved Mysteries” originally aired on NBC, beginning in 1987.

Here are five unsolved mysteries you can actually visit and ponder over, each offering a doorway into the unexplained. Taos Hum, New Mexico, USA Ever had that strange feeling when you hear ...

From the truth of Aerea Targaryen's death to the origins of the oily black stone, these are the biggest lingering mysteries ...

The All-domain Anomaly Resolution Office (AARO) received 757 reports of Unidentified Anomalous Phenomena (UAP) in the last ...