Alice pointed to it, and said-- 'What's that ?' 'It's not a church,' said Noel, 'because there's no churchyard.

Perhaps it's a tower of mystery that covers the entrance to a subterranean vault with treasure in it.' Dicky said, 'Subterranean fiddlestick!' and 'A waterworks, more likely.' Alice thought perhaps it was a ruined castle, and the rest of its crumbling walls were concealed by ivy, the growth of years.
Oswald could not make his mind up what it was, so he said, 'Let's go and see! We may as well go there as anywhere.' So we got down out of the church tower and dusted ourselves, and set out.
The Tower of Mystery showed quite plainly from the road, now that we knew where to look for it, because it was on the top of a hill.

We began to walk.

But the tower did not seem to get any nearer.

And it was very hot.
So we sat down in a meadow where there was a stream in the ditch and ate the 'snack'.