Visibility Problem

Hello,

I have some problems with my blog, the first one is the visibility of it: when I try to search my blog from another pc for example I can visit it, but when I come back from the page of an article to the home, I receive a message in which there is written that I have to do the login to see the blog. I want my blog’s contents to be public and that people could skip from a page to another to see them, is that possible? Because I can’t find anything in the settings.

The second problem is about my gallery, this morning I was able to see the gallery in the main menu but I don’t know why it seems to be disappear now. Can someone help me with these problems please?
This is the link to my blog http://toscanaontheroad.com

Gemma Fantacci