Using the Search function at the top of the page, you'll be taken to the Search Historical Records page. Enter your search criteria and be awed at the number of results returned. Without being signed in, you can view the extracted information. One of the perks of having an account, is the ability, in many cases, to see the images of the actual records.
That type of search will crawl through the indexed records on the site for anything that matches the search terms you entered. But, did you know there are thousands of records on FamilySearch that haven't been indexed, but can be browsed?
From the Historical Records Search screen, scroll down below the blank search boxes and click on Browse All Published Collections.
You will see this screen next: