They discovered the desert?
Ah, that bunch of snowflakes. Do you know why Christianity had such a hard time getting established in the early days of Phoenix, Arizona? Because people who lived through a summer there no longer had any fear of Hell....
And yet some few ventured into Death Valley.
Face it, without air conditioning, or at least swamp coolers, many areas right here in the US of A would be sparsely populated. Some still are.
They discovered Florida on a hot July day... with middle aged men mowing their own yards...