Here's what narwhals' mysterious tusks are used for New drone footage of narwhals in Canada reveals at least one purpose for their mysterious tusks.

20 Mysterious Photos That Cannot Be Explained Have you ever looked at a photo and been completely confused by what you were seeing? These types of photos can be mysterious, daunting and even mind-boggling. Some mysterious photos from the past that simply cannot be explained include: Possible UFO Read more ... sightings, Sasquatch sightings, Pictures of ghost...

Oregon Town's Mysterious Noise Comes to Even More Mysterious End A mysterious nighttime shriek that plagued an Oregon suburb early this year abruptly ceased after a warning from police.

Mysterious New Humpback Whale Song Detected The mysterious new noise has such a low beat it's scarcely audible.

13 Most Mysterious People Ever There are many people who lived a mysterious life. There identities and death are still not discovered, and they have created a huge impact in man kind's history. The question of their real motivation is still not answered. Some of the people were se Read more ... cret spies, killers, inventors, mafia members, etc…

13 Most Mysterious People Ever There are many people who lived a mysterious life. There identities and death are still not discovered, and they have created a huge impact in man kind's history. The question of their real motivation is still not answered. Some of the people were se Read more ... cret spies, killers, inventors, mafia members, etc…

13 Most Mysterious People Ever There are many people who lived a mysterious life. There identities and death are still not discovered, and they have created a huge impact in man kind's history. The question of their real motivation is still not answered. Some of the people were se Read more ... cret spies, killers, inventors, mafia members, etc…

Mysterious photographer seeks identity of mysterious women in these mysterious photos They could be from the 1950s — or it could all be a hoax.

Just what are the mysterious concrete arrows found across America? The mysterious giant arrows, which can measure up to 70ft in length, are a forgotten remnant of a bygone age

Earth’s Top 10 Most Mysterious Lost Worlds Many people believe there are no secrets left in our world. However, there are still several places around the globe that have been completely cut off and isolated, making them 100% unique and mysterious.