Absolutely. If you're on a desktop, look to the left of the screen. You'll see the green timeline slider. You can manually drag that to whatever post number you want, or you can simply click the date at the very top to go to the very first post. For this topic, the date is Jun 2017
If you find yourself needing the opposite, wanting to go the last post, while being at the first post, look in the summary section of the first post for Last Reply, and click on the date below that heading.
I can also recommend the following post:
There's some great info there on navigation that I think will help you immensely.
Finally, we also have a cool robot (named BPbot) that will run you through multiple user tutorials, with live interaction with the site, helping you to get to know the ins and outs of the forums. To get the robot to start the tutorial, have a read here:
To get to the category listing, look for the Home icon in the top left corner of the page
That is not normal. I'll get our team to do some testing on our end. I'll reach out shortly for details.
Hope that helps!