Google Earth Engine

An amazing tool. Still exploring, but this is a powerful tool for looking at modern analogs and geomorphology.

Fluvial

 * Meanders, Brazil
 * Meanders and oxbows, Peru

Littoral

 * Tidal inlets, North Carolina
 * Wax Lake delta

Carbonates

 * Exuma Cays, Bahamas
 * Joulters Cays, Bahamas

Dunes

 * The Great Dune of Pyla — Wikipedia article

Anthropocene

 * Oil sands mining
 * Oil sands, in situ
 * Mine at Bingham, Utah
 * Mine at Escondida, Chile