If the world ended tomorrow, what would you need to survive?

Food, water, after time you need maybe some plumbing or electricity.

But what about after that, after all the life and death stuff had been taken care of?

What about a library to pass knowledge on from the past?

Or some kind of language, maybe a universal language to communicate between all the survivors?

How about a dentist?

For one man in Canada, answering these questions was his life's work.

He built a bunker in Ontario, a sprawling 10,000 square foot complex.

And in it, he tried to prepare everything that would be needed for the end of the world.

And to start a new society out of the wreckage.

I'm Dylan Thuras and this is Atlas Obscura.

A celebration of the world's strange, incredible and wondrous places.

Today, we're headed to Arc 2, in Horning's Mills, Ontario, Canada,

to wait out the end of the world.

That's after this.

Imagine you're standing inside a school bus.

There's a curved metal roof above you and a familiar long rectangular aisle down the middle.

There are seats on either side.

Now, imagine that you're standing in that school bus, but buried underground.

Instead of seats on either side, there are bunk beds.

The roof is low and rusty and the windows are all blocked off.

Because the giant hole this bus is buried in is filled entirely with concrete.

...