Dry Tortugas National Park is a national park in the United States about 68 miles (109 km) west of Key West in the Gulf of Mexico. The park preserves Fort Jefferson and the seven Dry Tortugas islands, the westernmost and most isolated of the Florida Keys. The archipelago's coral reefs are the least disturbed of the Florida Keys reefs.
The Two Harbors Light is the oldest operating lighthouse in the US state of Minnesota. Overlooking Lake Superior's Agate Bay, the lighthouse is located in Two Harbors, Minnesota. The construction of the lighthouse began in 1891 and was completed the following year, with the light being lit for the first time on April 14, 1892. The first Two Harbors keeper was Charles Lederle and there were normally three keepers assigned to make sure the light was lit every day. The Lighthouse was built to provide safe passage into the Agate Bay Harbor during the early 20th century, as Two Harbors was a major shipping point for the iron ore of the Mesabi Range.
The Toledo Harbor Lighthouse is a lighthouse in Lake Erie near Toledo, Ohio, in the United States. The light replaced the 1837 lighthouse on Turtle Island at the mouth of the Maumee River. It is an active aid to navigation.
The Cape Florida Light is a lighthouse on Cape Florida at the south end of Key Biscayne in Miami-Dade County, Florida. Constructed in 1825, it guided mariners off the Florida Reef, which starts near Key Biscayne and extends southward a few miles offshore of the Florida Keys. It was operated by staff, with interruptions, until 1878, when it was replaced by the Fowey Rocks lighthouse. The lighthouse was put back into use in 1978 by the U.S. Coast Guard to mark the Florida Channel, the deepest natural channel into Biscayne Bay. They decommissioned it in 1990.
Fowey Rocks Light is located seven miles southeast of Cape Florida on Key Biscayne. The lighthouse was completed in 1878, replacing the Cape Florida Light. It was automated on May 7, 1975, and is still in operation today. The structure is cast iron, with a screw-pile foundation, a platform and a skeletal tower. The light is 110 feet above the water. The tower framework is painted brown, while the dwelling and enclosed circular stair to the lantern is painted white. The original lens was a first-order drum Fresnel lens which stood about 12 feet (4 m) high and weighed about a ton (tonne). The light has a nominal range of 15 miles in the white sectors, and 10 miles in the red sectors.
The Dry Tortugas Light is a lighthouse located on Loggerhead Key, three miles west of Fort Jefferson, Florida. It was taken out of operation in 2015. It has also been called the Loggerhead Lighthouse. It has been said to be "a greater distance from the mainland than any other light in the world."
Sand Key Light is a lighthouse 6 nautical miles southwest of Key West, Florida, between Sand Key Channel and Rock Key Channel, two of the channels into Key West, on a reef intermittently covered by sand. At times the key has been substantial enough to have trees, and in 1900 nine to twelve thousand terns nested on the island. At other times the island has been washed away completely.
The Ponce de Leon Inlet Light is a lighthouse and museum located at Ponce de León Inlet in Central Florida. At 175 feet (53 m) in height, it is the tallest lighthouse in the state and one of the tallest in the United States. It is located between St. Augustine Light and Cape Canaveral Light. Restored by the Ponce de Leon Inlet Lighthouse Preservation Association, the lighthouse became a National Historic Landmark in 1998.
The Michigan Island Lighthouse is a lighthouse operated by the National Park Service and located on Michigan Island on western Lake Superior in the Apostle Islands National Lakeshore.
Morris Island Light is a lighthouse on Morris Island in South Carolina. The light stands on the southern side of the entrance to Charleston Harbor, north of the City of Folly Beach. At 161 ft, it is the tallest lighthouse in South Carolina. The lighthouse was named to the National Register of Historic Places in 1982.
Portsmouth Harbor Lighthouse is a historic lighthouse located within Fort Constitution in New Castle, New Hampshire, United States.
The Fort Point Light, or Fort Point Light Station, is located in Fort Point State Park, in Stockton Springs, Maine. A lighthouse at this point has served as an active aid to navigation since 1835; the present lighthouse dates to 1857, and is listed on the National Register of Historic Places.
Long Island Head Light is an historic lighthouse on Long Island in Boston Harbor, Boston, Massachusetts. The current brick tower is the fourth lighthouse on the island.
The Owls Head Light is an active aid to navigation located at the entrance of Rockland Harbor on western Penobscot Bay in the town of Owls Head, Knox County, Maine. The lighthouse is owned by the U.S. Coast Guard and licensed to the American Lighthouse Foundation. It is the centerpiece of 13-acre (5.3 ha) Owls Head State Park and was added to the National Register of Historic Places as Owls Head Light Station in 1978.
Fort Jefferson is a massive but unfinished coastal fortress. It is the largest brick masonry structure in the Americas, and is composed of over 16 million bricks. The building covers 16 acres (6.5 ha). Among United States forts, only Fort Monroe in Virginia and Fort Adams in Rhode Island are larger. The fort is located on Garden Key in the lower Florida Keys within the Dry Tortugas National Park, 68 miles (109 km) west of the island of Key West. The Dry Tortugas are part of Monroe County, Florida, United States.
The Sand Point Lighthouse is located in Escanaba, Michigan, United States, on Lake Michigan's northern shore. Since 1989, it has been an unofficial aid to navigation. Though it is an operational aid to navigation. The restored lighthouse is now open to the public during the summer months. It is also known as the Escanaba/Sand Point Light or the Escanaba Light.
Ship Island Light was a lighthouse in Mississippi near Gulfport.
The Port Washington Light is a historical lighthouse in Port Washington, Wisconsin. Replaced by the Port Washington Breakwater Light and converted to a normal dwelling, it was restored with the assistance of the Grand Duchy of Luxembourg and currently serves as a museum.
The Ontonagon Light is a lighthouse located off M-64 near Ontonagon, Michigan. It was listed on the National Register of Historic Places in 1975 and designated a Michigan State Historic Site in 1973.
The Racine Reef Light was a lighthouse located in Lake Michigan some two miles east of Racine, Wisconsin, marking the edge of its eponymous shallows. It was torn down in 1961 and replaced with a skeleton tower on the same foundation.
