Yes, we have built this flexibility into the layout of our Discover Map for you.
Website
If you would like more viewable space on the Discover Map, you can collapse the left column that contains a list of campgrounds. Click the arrow icon at the top left corner of the Map to collapse this column to provide more viewable space on the Map.
Pro Tip: You can re-open the Campground list by clicking the arrow and Show List icon that remains in the top left corner of the Map.
Mobile Web
By default, the Campground list tray is collapsed to maximize the viewing area on your mobile device. To view the Campground list, tap and drag upwards on the top of the Campground tray.
Tap the top of the Campground list tray and drag it downward to collapse the list again.