 Plunging wave at Bandon, OR |
 Barrier beach and stack, Big Sur, CA |
 Wave refraction on Green Bay headlands, Peninsula State Park, WI |
 Cobble beach at Otter Cliffs, Acadia National Park, ME |
 Wave cut bench, Point Fermin, CA |
 Stacks at Ruby Beach, Olympic National Park, WA |
 Stacks undercut by wave activity are exposed as tide ebbs, The Rocks Provincial Park, New Brunswick, Canada |
 Stacks, Samuel Boardman State Park, OR |
 Sea cliff and wave cut bench, Shore Acres State Park, Coos Bay, OR |
 Small sea arch, Point Loma, CA |
 Sea arch and stack, Natural Bridges State Beach, Santa Cruz, CA |
 Cuspate beach, Pt. Reyes National Seashore, CA |
 Black sand beach, Kalapana, HI |
 Rip current, Picture Rocks National Lakeshore, MI |
 High Tide at the Bay of Fundy, The Rocks Provincial Park, New Brunswick, Canada |
 Low tide at the Bay of Fundy, The Rocks Provincial Park, New Brunswick, Canada |
 Groins and breakwaters along Lake Michigan shoreline, Lake Forest, IL |
 Groins along the Lake Michigan shoreline, Lake Bluff, IL |
 Beach and sea cliffs at Point Reyes National Seashore, CA |
 Shell accumulation on a beach after a storm, Sanibel Island, FL |
 Beach sediments comprised of shell fragments along the Gulf Coast, Clearwater Beach, FL |
 Iron coated quartz and K-feldspar comprise most of this beach sand along the Lake Superior shoreline, Presque Isle, MI |
 Glassy cinder fragments comprise a black sand beach, Kalapana, HI |
 Olivine is a major component of a green sand beach, Kapoho HI |
 Spouting horn, Poi Pu Beach, Kauai, HI |
 Spilling waves, Winthrop Harbor, IL |
 Tidal Bore on the Petticodiac River, Moncton, New Brunswick, Canada |
 Rip rap used to reduce cliff erosion, Point Loma, CA |
 Concrete rip rap, Winthrop Harbor, IL |
 Constructive interference of incomiing waves and rebound wave, Illinois Beach State Park, IL |
 Stack and arch, Second Beach, Olympic National Park, WA |
 Seastars and kelp, Bandon Beach State Park, OR |
 Tombolo, Acadia National Park, ME |
 Pholad borings, Pt. Fermin, CA |
 Sea cliffs along the coast at Big Sur, CA |
 Jetties at Waukegan Harbor, Waukegan, IL |
 Ebb tide at Bandon Beach, Bandon, OR |
 Sunrise at Face Rock, Bandon Beach, Bandon, OR |
 Bandon Beach sunset, Bandon, OR |
 Ecola Beach State Park, OR |
 yellow lupines-2-Edit.jpg |
 Bandon Beach in the early morning, Bandon, OR |
 Foreshore and backshore berm, Paliholi Beach, Kauai, Hawaii |
 Concretions in sandstone, Coos Bay, OR |
 Second Beach at Sunset, Olympic National Park, WA |