Waterfall plunge pool, Arroyo Seco, San Gabriel Mts, CA...photo in 2006...just appeared in a JGR-ES journal article. Check it out: https://goo.gl/I5aojx
Mountain stream, landslide and waterfall...Birch Brook watershed, Hopkins Memorial Forest, Williamstown, MA
High tide vs low tide, Point Wolfe River Estuary, Bay of Fundy National Park
River flowing into Minas Basin at low tide, Port Williams, Nova Scotia
Keck UConn, from the drone...