Hello and welcome back to the Curious Kid podcast.

Our family just returned from a fun four-day road trip to Niagara Falls.

People travel from all around the world to see Niagara Falls,

which are beautiful waterfalls on the border of the United States and Canada. While we were there,

we did so many fun things. We took an elevator to the top of Skylon Tower, which is a 775-foot

tower with amazing views of the surrounding area. We took a boat ride that allowed us to get so

close to the waterfalls that we got soaking wet.

We took a tunnel, hundreds of feet underground, to learn how the energy from the waterfalls

is converted to electricity.

There are so many fun things to do in Niagara Falls, and one of those things is to walk

through the caves behind the waterfalls. Caves are super interesting and

mysterious places, so let's learn more about them. Mailbag! Millbag! Hi, my name is Miles

H-5, and I am writing from Columbia, Missouri.

I love your podcast and listen every night before bed.

I would love it if you could do an episode on caves and all the creatures that live in them.

Caves are one of my favorite things.

Thanks, Miles and family.

Miles, we weren't going to get curious about caves, but then we saw your amazing email and we caved in.

We can't wait to learn all about caves and the creepy crawlies that live in caves for you this week.

Let's kick things off with the question of the week.

The longest and deepest caves in the world are both located in the United States.

The question of the week is, in which states can you find the longest and deepest caves in

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