The Seven Foot Knoll Light was built in 1855 and is the oldest screw-pile lighthouse in Maryland. It was located atop Seven Foot Knoll in the Chesapeake Bay until it was replaced by a modern navigational aid and relocated to Baltimore's Inner Harbor as a museum exhibit.
Alligator Reef Light is located 4 nautical miles east of Indian Key, near the Matecumbe Keys of Florida in the United States, north of Alligator Reef itself. The station was established in 1873. It was automated in 1963 and was last operational in July, 2014, and is being replaced by a 16' steel structure with a less powerful light located adjacent to it. The structure is an iron pile skeleton with a platform. The light is 136 feet (41 m) above the water. It is a white octagonal pyramid skeleton framework on black pile foundation, enclosing a square dwelling and a stair-cylinder. The lantern is black. The original lens was a first order bivalve Fresnel lens. The light characteristic of the original light was: flashing white and red, every third flash red, from SW by W 1/2 W through southward to NE 1/8 E, and from NE by E 3/4 E through northward to SW 3/8 S; flashing red throughout the intervening sectors; interval between flashes 5 seconds. It had a nominal range of 14 nautical miles in the white sectors and 11 nautical miles in the red sectors. The new light has a range of approximately 7 nautical miles.
The Charlotte Harbor Light was placed at a bend in the deeper part of Charlotte Harbor to guide ships to the railroad docks in Punta Gorda, Florida. Punta Gorda lost importance as a port when railroad lines reached Boca Grande on the southern end of Gasparilla Island at the entrance to Charlotte Harbor in 1906. The lighthouse steadily deteriorated and had to be demolished in 1943. The iron pilings were removed in 1975.
Duxbury Pier lighthouse also called Duxbury Light is a lighthouse located in Plymouth Harbor, Massachusetts. Duxbury Pier Light was built in 1871 on the north side of the main channel in Plymouth Harbor to mark the dangerous shoal off Saquish Head. The unusual coffeepot-shaped lighthouse is locally known as "Bug Light" or simply "The Bug." It was the first so-called sparkplug lighthouse in the United States. Application was made to list the lighthouse on the National Register of Historic Places in 2014.
Eagle Harbor Light is an operational lighthouse at Eagle Harbor, in Keweenaw County in the state of Michigan. It sits on the rocky entrance to Eagle Harbor and is one of several light stations that guide mariners on Lake Superior across the northern edge of the Keweenaw Peninsula. The original lighthouse, built in 1851, was replaced in 1871 by the present red brick structure, which is a Michigan State Historic Site and listed on the National Register of Historic Places.
Cape Mendocino Light was a navigation light at Cape Mendocino, California. The former lighthouse was relocated to Shelter Cove near Point Delgada, California in 1998, and the historic Fresnel lens to Ferndale, California, in 1948. An automated beacon operated for a number of years but was removed in May 2013.
Carquinez Strait Lighthouse is a lighthouse in California, United States. It was originally approximately 20 miles inland from the mouth of the San Francisco Bay near Vallejo, California.
Los Angeles Harbor Light, also known as Angels Gate Light, is a lighthouse in California, United States, at San Pedro Breakwater in Los Angeles Harbor, California. The lighthouse is listed on the National Register of Historic Places. It is listed as Los Angeles Light in the USCG Lights list. It is the only lighthouse in the world that emits an emerald-colored light.
Mile Rocks Lighthouse is located on a rock about 1 mile (1.6 km) southwest of the Golden Gate Bridge, off of Lands End in San Francisco, California. It was completed in 1906, replacing a nearby bell buoy. In 1966, the light was automated, and the original 85 m (279 ft) tower of the lighthouse was demolished and replaced by a helipad. The lighthouse was at one time painted with alternating red and white rings, but as of 2017, the lighthouse is painted plain white.
Point Hueneme Lighthouse is a lighthouse on the southeast entrance to the Santa Barbara Channel, in Ventura County, California
Point Vicente Lighthouse is a lighthouse in Rancho Palos Verdes, California, United States, north of Los Angeles Harbor. It is 67 feet (20 m) tall and stands on a cliff with a height of 130 feet (40 m). It is between Point Loma Lighthouse to the south and Point Conception Lighthouse to the north. The lighthouse was added to the National Register of Historic Places in 1980. The lighthouse is owned by the United States federal government and is managed by the United States Coast Guard. It is not usually open to the public, but the Coast Guard Auxiliary run tours once per month and it is used annually for the city's "Whale of a Day" festival.
Table Bluff Lighthouse is a lighthouse in California, United States, which was located on Table Bluff just south of Humboldt Bay. Built to guide vessels away from the notoriously dangerous and rough coastline and to let them know proximity of the nearby bay and entrance, the lighthouse was one of the first to be automated. The lighthouse tower portion is now located at the Woodley Island Marina within the City of Eureka.
The Bridgeport Harbor Light, later the Bridgeport Harbor Lighthouse, was a lighthouse in Bridgeport, Connecticut, United States. It is located on the west side of the Bridgeport Harbor entrance and the north side of Long Island Sound. Originally constructed in 1851 and rebuilt in 1871 with a dwelling, it had a red-fixed light throughout its service life. The builder and first keeper of the light was Abraham A. McNeil who is also credited as improvising the first light for the Bridgeport Harbor in 1844. By 1953, the lighthouse was in poor condition and the United States Coast Guard opted to build a skeleton tower in its place. In the 2014 edition of the Light List Volume 1, the skeleton tower is marked as "Light 13A" with a height of 57 feet (17 m) and a visual marker of a square green dayboard with a green reflective border. The lighthouse was sold and an attempt was made to move it to serve as a monument for Connecticut's maritime history, but it was later decided to scrap the structure. The lighthouse caught fire and was destroyed during the dismantling in 1953.
The Lynde Point Light or Lynde Point Lighthouse, also known as Saybrook Inner Lighthouse, is a lighthouse in Connecticut, United States, on the west side of the mouth of the Connecticut River on the Long Island Sound, Old Saybrook, Connecticut. The first light was a 35 feet (11 m) wooden tower constructed by Abisha Woodward for $2,200 and it was completed in 1803. A new lighthouse was eventually needed and a total of $7,500 was appropriated on July 7, 1838. Jonathan Scranton, Volney Pierce, and John Wilcox were contracted to build the new 65-foot (20 m) octagonal brownstone tower. It was constructed in 1838 and lit in 1839. The lighthouse was renovated in 1867 and had its keeper's house from 1833 replaced in 1858 with a Gothic Revival gambrel-roofed wood-frame house. In 1966, the house was torn down and replaced by a duplex house. The original ten lamps were replaced in 1852 with a fourth-order Fresnel lens, and with a fifth-order Fresnel lens in 1890. Lynde Point Lighthouse used whale oil until 1879 when it switched to kerosene. It was electrified in 1955 and fully automated by the United States Coast Guard in 1978. In 1990, it was added to the National Register of Historic Places and is significant for its "superior stone work in the tapering brownstone walls".
New London Harbor Light is a lighthouse in Connecticut on the west side of the New London harbor entrance. It is the nation's fifth oldest light station and the seventh oldest U.S. lighthouse. It is both the oldest and the tallest lighthouse in Connecticut and on Long Island Sound, with its tower reaching 90 feet.
Solomons Lump Light is a lighthouse in the Chesapeake Bay, the abbreviated remains of a caisson light built in 1895. That structure replaced a screw-pile light built on the same spot in 1875, which in turn superseded the Fog Point Light.
The Craighill Channel Lower Range Rear Light is one of a pair of range lights that marks the first section of the shipping channel into Baltimore harbor. It is the tallest lighthouse in Maryland.
Chesapeake Light is an offshore lighthouse marking the entrance to the Chesapeake Bay. The structure was first marked with a lightship in the 1930s, and was later replaced by a "Texas Tower" in 1965. The lighthouse was eventually automated and was used for supporting atmospheric measurement sites for NASA and NOAA. Due to deteriorating structural conditions, the lighthouse was deactivated in 2016. At the time it was the last remaining "Texas Tower" still in use due to obsolescence.
Prospect Harbor Point Light is a lighthouse on Prospect Harbor Point, which divides Sand Cove from Inner Harbor at the head of Prospect Harbor on the southern shore of Gouldsboro, Maine. Also known as Prospect Harbor Light, it was first established in 1850. The present structure was built in 1891. It was listed on the National Register of Historic Places as Prospect Harbor Light Station in 1988.
