So was the death of Meriwether Lewis murder or suicide? Nobody knows and the question is still alive today. Here is what we know about the account.

How is it that Anastasia’s relatives proclaimed Anna Anderson as an imposter. However, Anastasia’s childhood friends stated she was the real Anastasia.

Antoninus Pius and Marcus Aurelius were Roman emperors who differed greatly from the others. Many historians agree that they were both very good rulers.

Taman Shud Case, AKA: Somerton Man, is the 1948 mysterious death of an unidentified man found on Somerton Beach in Adelaide, Australia.

Mysterious circumstances surrounding the deaths of Miguel José Viana and Manoel Pereira da Cruz in 1966 became known as the Lead Masks Case.

British diplomat Benjamin Bathurst suddenly disappeared in 1809. The theory is that he fell among thieves and was murdered for his coat and money.

The sound heard under the ocean in 1997 was really perplexing. Eventually NOAA determined that the Bloop is not a mysterious creature but something much simpler.

Mary Baker was a humble servant. For a few months she pretended to be Princess Caraboo, a woman kidnapped by pirates. Everyone in town believed her.