Remove navigation from header in custom page template

I’m building a landing page and want to remove the navigation menu from the page. The navigation menu is in header.php which is of course in the page template. Is there a WordPress function I can use to remove the navigation menu from this specific page? I know I could do it with jQuery and do display:none for the nav menu but i’d like to do it server side before the page loads.

How to show a post single post in page template

Currently I’ve divided posts into 5 different categories, based on the categories I’ve created 5 page templates. all of the pages are listed into the home page navigation menu. in my home page I’m showing 5 posts in five different categories. when they clicked a post that post will shown in the single page template(that’s what word press normally does) but i want to show that post into my page template. because each page template having different designs. if there is any way to set the permalink to point to the page template and show the post in to full.

Store Page Template Files in a Subfolder

I have number of legal documents of different formats / layout that I need to display on a WordPress site, however I don’t want to have them as individual page-pagename.php files in the root of the project folder. I know I can use get_template_part() and load in different template files, but this won’t really help me because the files are all of differing styles.