Some were born with extraordinary abilities, others spent decades mastering a death-defying skill.

The only person guaranteed to love your dog as much as you is your identical twin.

The strange pelt showed up on a zoologist’s office in 1799.

Under the same conditions, homemade burgers won’t decompose either.

By 1967, the project was classified, and its budget was hidden as a black ops program.

These human bones were used in witch initiation rituals.

Tarrare was the walking manifestation of one of the seven deadly sins as he prowled the cobbled streets of 18th-century Paris indulging his endless hunger.

John Graziano has been illustrating the “Ripley’s Believe It or Not!” cartoon for the past 15 years.

People are allowed to kiss “with or without tongue.”

An ideal arowana swims with confidence and is neither too thin nor too fat.

These piranhas use their strong jaws to crack open seeds and nuts, rather than tear flesh.

They were believed to have eaten up to 135 people.

Marie Castello became forever immortalized in the rock and roll zeitgeist.

Traders filled camel bladders with spices, fragrant oils, and even fat.