They say seeing is believing but these sightings will make you question everything. From stone-throwing jungle apes to swarms of sinister clowns stalking the suburbs, to skies raining down murderous birds, these are the strange encounters that leave the experts scratching their heads.

Accidents happen all the time, but every so often, a few defy logic and leave the world stunned.

History is full of legendary missions--but some are so bizarre, they sound like fiction.

History is full of people pushing the limits, but some are more astonishing than others.

Mother Nature may be breathtaking—but she doesn't always play nice.

When the world throws a bizarre problem your way… sometimes the solution is even more ridiculous.

A brush with death is terrifying enough—but these stories take survival to the extreme.

The stories of history's most unusual pastimes, some fascinating, some dangerous, but each of them completely unbelievable.

The world is full of strange and mind-bending places, but some take the cake

Weapons rank among humanity's most powerful—and wildest—inventions.