New Dungeness Lighthouse

New Dungeness Lighthouse

North Head Lighthouse

North Head Lighthouse

North Head Lighthouse

Patos Island Lighthouse

Point No Point Lighthouse

Point No Point Lighthouse

Point No Point Lighthouse

Point Robinson Lighthouse

Point Robinson Lighthouse

Point Wilson Lighthouse

Point Wilson Lighthouse

Cape Kumukahi Light

Makapu'u Point Lighthouse

Amphitrite Point Lighthouse

Sherringham Point Lighthouse

Trial Island Lighthouse

Cape Canaveral Lighthouse first order lens

Clamshell lens at Kilauea Lighthouse

Coast Guard Lens Inspector at Point Wilson Lighthouse

Drum Point lens

First-order lens from Destruction Island Lighthouse

First order lens Heceta Head, Oregon.

New Dungeness Lighthouse lantern

Elinor Dewire at Point No Point Lighthouse.

Umpqua River first order lens

West Point lantern

Sea purses intertwined with fragments of plastic at Cape Henry.

Sea purses, clam shells, and fragments of horseshoe crab shells litter the tidal zone at Cape Henry.

Erosion from fall storms affecting part of the Cape Henry dunes.

Ripple patterns and a single sea purse in a high energy tidal channel at Cape Henry.

A remnant of a horseshoe crab shell leaves a scour hole and shows downstream direction of tidal flow.

Ripple marks in a tidal channel at low tide at Cape Henry.

Shore birds looking for dinner in the surf zone at Cape Henry.

Shore birds looking for dinner in the surf zone at Cape Henry.

Shore birds looking for dinner in the surf zone at Cape Henry.

Sea gulls in the surf zone at Cape Henry.

Sea gulls in the surf zone at Cape Henry.

Sea gulls flying near the water at Cape Henry.

A single sea gull flying near the water's edge at Cape Henry.

A single sea gull flying near the water's edge at Cape Henry.

A flock of sea gulls taking off at Cape Henry.

The beginning of America's shoreline - looking downstream from the International Bridge between Canada and the United States at Calais, Maine. This is along the St. Croix River and still in the tidal zone of the river.

Looking across the St. Croix River from Canada to Calais, Maine.

Looking across the St. Croix River from Canada to Calais, Maine.

Looking across the St. Croix River from Canada to Calais, Maine.

High tide on the St. Croix River. Spring tides can be up to 26 feet along the St. Croix River.

Tide going out on the St. Croix River. Spring tides can be up to 26 feet along the St. Croix River.

A low tide along the St. Croix River. Spring tides can be up to 26 feet along the St. Croix River.