My name is Josh Gates, with a degree in archaeology and a passion for exploration.

I have a tendency to end up in some very strange situations.

There has got to be a better way to make a living.

My travels have taken me to the ends of the earth as I investigate the greatest legends in history.

We're good to fly, let's go!

This is Expedition Unknown.

Listen to Expedition Unknown on Spotify, Apple Podcasts or wherever you get your podcasts.

He's a popular fraternity brother, with a big heart.

He's highly talented, a natural leader.

He's very dedicated when he wanted to do something, he did it.

A lapse in judgment trips him up, but he soon gets himself back on track.

He seemed like he was doing well in school, he was keeping up with schoolwork.

Until, one day he heads to campus and never returns.

It's as if when that bus pulled away, he vanished.

A cryptic note is his only explanation.

I've said my family has given me a lot of opportunities that I just didn't take advantage of.

His puzzling secrets leave detectives and his loved ones baffled.

Do we think there's somebody out there that can help us figure out what's going on?

I don't care why he left, where he's been, I just want him to come home.

Tuesday night, April 19, 2016.

19-year-old college sophomore James Martin Roberts, who goes by Martin, meets with friends

at a favorite Appalachian State University Hangout, the Klondike Cafe.

...