Donald Trump's self-signed "Make America Great Again" hat at his Scotland golf course sparks mixed reactions on social media.

The trapper hat originated in the 1600s, as a giant pelt beanie of sorts, and though it was first worn by trappers, its path traces from them to Jared Leto.

Supreme Court Associate Justice Antonin Scalia is wearing a strange hat. After some analysis, it's probably a Tudor bonnet. This is the second consecutive Inauguration where Scalia is wearing an ...