If you haven't visited Learn ArcGIS in a while, you should head over now to see some of our new content.
Explore Earthquakes in an Underground Local Scene walks you through using the Scene Viewer in ArcGIS Online to visualize and understand the 2011 earthquake in Christchurch, New Zealand.

Find, Inspect, and Replace Guardrail End Treatments demonstrates a smooth workflow for using a variety of field apps to track infrastructure updates.
Build a Sidecar in Your StoryMap is a great opportunity to learn how to use the new StoryMap builder.
Analyze the Global Oil Market covers a lot of useful mapping skills for both ArcGIS Pro and ArcGIS Online, including Arcade symbology, scatter plots, and configuring time-enabled layers.
Migrate from ArcMap to ArcGIS Pro is for anyone who's feeling less than confident about making the move to ArcGIS Pro. Learn how to bring over your existing maps and find all of the common tools and features in the new interface.

The lessons on Learn ArcGIS offer step-by-step instruction with plenty of illustrations, and follow real-world GIS scenarios. It's a great place to get started with new products, features, and workflows. If there's something you'd like to see added to the Learn ArcGIS catalog, please let us know!