The associated cave, Cueva de Villa Luz [1] wouldn't feel out of place in any decent DnD campaign either.<p>[1] <a href="https://en.wikipedia.org/wiki/Cueva_de_Villa_Luz" rel="nofollow">https://en.wikipedia.org/wiki/Cueva_de_Villa_Luz</a> (see german article for more details)
Just when you thought spelunking couldn't get any more terrifying you see this. You're stuck, wedged between two rocks, AND acid is eating away at your body.