Sunset over the tidal channel at Brancaster Staithe, Norfolk, England, United Kingdom, Europe

Sunset over the Bristol Channel from Dunraven Bay, Southerndown, South Wales, United Kingdom, Europe

The intertidal zone of the Quantock Coast, West Somerset, contains an abundance of geology and wildlife. It is a Site of Special Scientific Interest (SSSI) and is of international geological importance.

Coastal houses and fields overlooking Rocquaine Bay and tidal flats, Guernsey, Channel Islands, United Kingdom.

Scenic St Peter Port Guernsey harbourfront with hillside houses tidal flats and tranquil maritime character at sunset on the Channel Islands

Fort Grey Martello tower on rocky tidal shore in Guernsey Channel Islands historic landmark

The Napoleonic-era Fort Grey Martello tower, known as the Cup and Saucer, standing on a tidal islet in Rocquaine Bay, Guernsey, Channel Islands, United Kingdom.

Sunset over The Bristol Channel from Dunraven Bay, Southerndown, Vale of Glamorgan, Wales, United Kingdom

View over the sea front of Saint Peter Port, Guernsey, Channel Islands, United Kingdom, Europe

Small fishing boats resting on tidal sands near Fort Grey in Rocquaine Bay, Guernsey, Channel Islands, United Kingdom.

Historic Fort Grey Martello tower standing on a tidal islet in Rocquaine Bay at low tide, Guernsey, Channel Islands, United Kingdom.

Expansive tidal flats exposed at low tide in Rocquaine Bay, with distant views of Guernsey’s coastline, Channel Islands, United Kingdom.

Coastal stone wall leading onto the sandy tidal flats of Rocquaine Bay, Guernsey, Channel Islands, United Kingdom.

St. Aubin and its Harbour, Jersey, Channel Islands, United Kingdom, Europe

A loan boat in the tidal channel at Burnham Overy Staithe, Norfolk, England, United Kingdom, Europe

Beach at sunset, tidal channel, Juist Island, Nationalpark, North Sea, East Frisian Islands, National Park, Unesco World Heritage Site, East Frisia, Lower Saxony, Germany, Europe

Network of channels and streams at low tide, in the marshland of the Bahia de Cadiz, aerial view, drone shot, Cadiz province, Andalusia, Spain, Europe

Fort Grey, now a museum, boats lying dry on the seabed at low tide, Rocquaine Bay, Guernsey, Channel Islands, Europe

Martin Luther King Junior Memorial, Located On Four Acres Along Tidal Basin, Dedicated In 2011, 30 Foot Granite Sculpture Called Stone Of Hope By Lei Yixen, Washington Monument In The Background, Washington, District Of Columbia, United States Of America

Martin Luther King Junior Memorial, Located On Four Acres Along Tidal Basin, Dedicated In 2011, 30 Foot Granite Sculpture Called Stone Of Hope By Lei Yixen, Washington, District Of Columbia, United States Of America

Bronze Statue Depicting People Waiting On A Bread Line During The Great Depression, Franklin Delano Roosevelt Memorial, Washington, District Of Columbia, United States Of America