Cave of the winds back in September.
My wife is pretty claustrophobic but agreed to go on the 40 minute tour, she clamped down on my arm during the "wanna see how dark dark can be" segment and did very well as long as the caverns were bigger than a living room, I'm proud of her facing fears and overcoming them.
Nope, did not climb that ladder, it's a left over supposedly from earlier access points