USGS Global Mountain Explorer

The USGS Global Mountain Explorer sounds pretty neat, but I'm not clear what it is...but there is a Tutorial Video.

Storyboarder

Storyboarder makes it easy to visualize a story as fast you can draw stick figures. Quickly draw to test if a story idea works. Create and show animatics to others. Express your story idea without making a movie. (straight from their website)

Annual Vegetation Cycle

The RAMMB Slider

Seen on Maps Mania: The RAMMB Slider uses the latest available imagery from both satellites to allow you to create small animated movies of the Earth.

360°: Why Is Greenland Melting?

The History of Infographics

The History of Infographics is a super-cool interactive infographic on its own and they include a great summary of their project and design choices.

Minard and Napoleon

Here's a great interactive overlay of Minard's map combined with a matching interactive chart: Minard and Napoleon

Santa Rosa: Before and After

This is incredible: Santa Rosa: Before and After - try http://bit.ly/2hDEccy to see an image comparison.

State Borders

Gerrymandering

Found on FlowingData: Changing the Math on Gerrymandering (brilliant illustrations) and District - A Game about Representation & Redistricting.

Mapped: How the US generates electricity

Mapped: How the US generates electricity (by CarbonBrief) is a nice interactive map, zoomable to different states. This would go well with The Solutions Project and their 100 percent renewable energy portfolios for the different states.

Then there is the North American Power Plants map with a nice feature: it updates the summary legend as you zoom-in, zoom-out, or pan.

Data USA

Data USA is pretty great: tons of downloadable data, interactive maps, and shareable as image files.

Get Started with Story Maps

Get Started with Story Maps is a nice 2-hour introduction to Esri Story Maps, including the Story Map Tour, the Story Map Cascade, and the Story Map Journal.