The world of Grand Theft Auto 5 has a varied topography that culminates into an experience like no other. Numerous notable shops, businesses, scenic areas, and many other exotic locations can be explored and found all over the map. No matter where you are, there will be some locality or establishment to check out nearby. Many of these establishments can be entered into and have NPCs to interact with.
A view from the top of Mount Chiliad (via Rockstar Games)
If you are looking for scenic areas to relax during your playthrough, there are multiple lakes, beaches, and even a massive mountain you get to the top of with either vehicles or a slow but scenic journey aboard the cable car. On this page, you will find the complete list of locations and establishments where you can relax, grab a bite, or get some new threads for your character to follow, among many other things.