The true-crime genre has had its moment in popular culture and looks like it's still going strong. TV shows and podcasts aplenty, there's always a steady stream of content that keeps on getting delivered to us; and everyone eats it up.

While "Mindhunter" not returning makes us a little sad, there are plenty of other recent shows and podcasts that have filled the gap.

This week on Reddit, u/InsertBurnsHere popped in with a question about unsolved mysteries, and netizens chimed in with what could be a list of potential shows about different spooky phenomena. From disappearances to decoding ancient artifacts, here are some of the biggest questions from history that haven't been fully answered yet.

The Linear A writing system

The mysterious cash flusher in Australia

The migration of Monarch butterflies

Read more: The tiny monarch butterfly makes one of nature's most amazing migrations.

We may never really find our species' origins

The Indus Valley script

Read more: Decoding this script could crack the mystery of the Indus valley civilization.

The Voynich Manuscript

Read more: The Unsolvable Mysteries of the Voynich Manuscript.

The Anitkythera Mechanism

Read more: Scientists unlock mysteries of world's oldest "computer."

Cicada 3301

Read more: No one knows who sets it or what the prize is at the end, but Cicada 3301 is back for its third year, and the internet has gone wild.

Delhi's monkey man

Read more: 'Monkey man' causes panic across Delhi.

The Gardner Museum heist

Listen: Last Seen: Season one is a true-crime podcast about the most valuable — and confounding — art heist in history: the theft of 13 irreplaceable artworks from the Isabella Stewart Gardner Museum in Boston.

Who are all the Long John Silver's fans?

Why do we all have the same sewing kits?

Via Reddit.

[Image: YouTube]