Sun cannons have been around since the 1600s. But as far as we know, there’s only one left that’s still up and running. We pay it a visit. READ MORE IN THE ATLAS: <a href="https://www.atlasobscura.com/places/atvidaberg-sun-cannon" target="_blank">https://www.atlasobscura.com/places/atvidaberg-sun-cannon</a> Hosted by Simplecast, an AdsWizz company. See <a href="https://pcm.adswizz.com">pcm.adswizz.com</a> for information about our collection and use of personal data for advertising.

The Mirror Lab (Classic)

An audio guide to the world’s strange, incredible, and wondrous places. Co-founder Dylan Thuras and a neighborhood of Atlas Obscura reporters explore a new wonder every day, Monday through Thursday. In under 15 minutes, they’ll take you to an incredible place, and along the way, you’ll meet some fascinating people and hear their stories. Our theme and end credit music is composed by Sam Tyndall.