The arch database has been updated and it now has 2450 arches (2538 including false arches & small windows), 888 of which are on the maps. Check them out on the Arches Map.
The waterfall database has been updated and now includes 930 waterfalls, with 857 waterfalls on the map. Check them out on the Waterfall Map.
You can check them all out on my favorite site feature, the Landform Map, which has everything on it!
If you know of something not on the map, something that is incorrect, or you have a picture to add to a landform, please SUBMIT HERE.