I started my career as a theoretical physicist working on the problem of quark confinement and related matters. I still try to keep my general interest up and nowadays there are a number of excellent semi-popular resources for this.
Quanta is one of them. Here’s a really impressive pictorial overview of the current ideas and theories in our fundamental understanding of the universe – a very slick web site!
The map provides concise descriptions of highly complex theories; learn more by exploring the links to dozens of articles and videos, and vote for the ideas you find most elegant or promising. Finally, the map is extensive, but hardly exhaustive; proposed additions are welcome below.