Fort Gratiot Light

Fort St. Joseph was a fort established in 1686 by Daniel Greysolon, Sieur du Lhut for New France. Erected on the St. Clair River, the fort was intended to prevent English trade with native tribes. In 1687, about two hundred coureurs de bois, five hundred Algonquian, Henri de Tonti, Nicholas Perrot, Oliver Morel de La Durantaye, and thirty French soldiers gathered there under Marquis de Denonville's orders to prepare for an attack on the Six Nations Iroquois Confederacy during the Iroquois Wars. With a lack of supplies and no orders from the governor, the fort's commander, Louis-Armand de Lom d'Arce de Lahontan, Baron de Lahontan, burned Fort St. Joseph on August 27, 1688, and moved to Michilimackinac. According to historian Reuben Gold Thwaites, the action caused "no disadvantage" to New France.

The Port Huron–Sarnia Border Crossing connects the cities of Port Huron, Michigan and Sarnia, Ontario. It is located at the Blue Water Bridge at the St. Clair River. Both the US and Canada border stations are open 24 hours per day. The US Customs and Border Protection upgraded its inspection facilities in 2011, and Canada Border Services Agency upgraded its facilities in 2012. In 2017, inspectors at Port Huron processed 1,579,646 cars and 826,288 trucks.

The Blue Water Bridge is a twin-span international bridge across the St. Clair River that links Port Huron, Michigan, United States, and Point Edward, Ontario, Canada. The Blue Water Bridge connects Highway 402 in Ontario with both Interstate 69 (I-69) and Interstate 94 (I-94) in Michigan.

The Thomas Edison Depot Museum (previously the Grand Trunk Western Railroad Depot) is a former railway depot located at 520 State Street in Port Huron, Michigan. It has been converted into a museum. The building was listed on the National Register of Historic Places in 1977.

Fort Gratiot was an American stockade fort in Fort Gratiot, Michigan, in Saint Clair County, Michigan. The former location of the fort was listed on the National Register of Historic Places in 1980.

The United States lightship Huron (LV-103) is a lightvessel that was launched in 1920. She is now a museum ship moored in Pine Grove Park, Port Huron, St. Clair County, Michigan.

Lakeside Cemetery in Port Huron, Michigan was first established in 1877. The City of Port Huron purchased the original 148 acres (60 ha) from local Port Huron resident John Hoffman. In 1900 the cemetery increased size to a peak of 176 acres (71 ha) but over the years the size has diminished to its current size of 96.5 acres (39.1 ha). The Lakeside Cemetery also has a "Soldiers Lot" encompassing lots 144–159. This portion of the cemetery was donated by the United States Government in 1881, when the remains of 135 soldiers from Fort Gratiot were entered into the cemetery. Fort Gratiot as two historical installations. The first installation was dated from 1814 until 1821. The second installation was in 1828–1879. Both installations were on the west bank of the St. Clair River approximately two miles South of the cemetery. Of the 135 soldiers buried only remains of 35 soldiers are known. This lot is overseen by the "Great Lakes National Cemetery" organization.In 1884, the US government dedicated a monument to the Soldiers Lot to honor the 100 unknown soldiers from Fort Gratiot. The soldiers fell victim to the cholera epidemic from July 4–18, 1832. The monument was built by Philo Truesdell from the Port Huron Marble and Granite Works. A statue of marble showing a Union soldier attired in Civil war uniform stands atop the column. The monument is 24 feet (7.3 m) high and cost $1,500 to complete.

Point Edward is a village in the Canadian province of Ontario. Adjacent to the city of Sarnia in Lambton County, Point Edward sits opposite Port Huron, Michigan and is connected to it by the Blue Water Bridge, at the meeting point of the St. Clair River and Lake Huron. Formerly called Huron, it was renamed in 1860 to mark the visit by the then Prince of Wales, later Edward VII. Incorporated 1879. In the Canada 2016 Census, the population of Point Edward was 2,037, an increase of 0.1 percent from its 2011 population of 2,034. In the summer of 2003, Point Edward celebrated its 125th anniversary.

WORW (91.9 FM, "The Wave") is a high school radio station located in Port Huron Northern High School broadcasting a CHR/Top 40 format. Licensed to Port Huron, Michigan, it first began broadcasting on September 30, 1981.In fall of 2005, Faculty Advisor Carrie Maggs updated the high school radio station's studio with an automation system allowing the station to begin broadcasting 24 hours a day, 7 days a week. Today the current Faculty Advisor is Ronald Neal and is also a speech teacher and broadcasting teacher. The current transmission range for the station is approximately 13 miles from the tower at 150watts (located at Port Huron Northern High School).WORW TV is 91.9FM's student-run and produced TV station also located in Port Huron, Michigan. They started producing news, sports, and community news packages in 2016.

The Ladies of the Maccabees Building is a fraternal organization building, located at 901 Huron Avenue in Port Huron, Michigan. It was listed on the National Register of Historic Places in 1982.

St. Clair County Community College (SC4) is a public community college in Port Huron, Michigan. It serves as the primary center of higher education for the Blue Water Area. SC4 offers Associate degree and certificate programs. It also offers online classes and transfer programs to four-year institutions. In addition, working with University Center partners, students can earn Bachelor's and Master's degrees without even leaving the SC4 campus. Classes are held in classrooms on the SC4 campus and taught online. SC4 has learning centers in Harbor Beach, Algonac, Yale, Peck, and Croswell, as well as its main campus in Port Huron. Through these regional centers, SC4 serves a large portion of the Thumb region of Michigan.

McMorran Arena is an entertainment complex in Port Huron, Michigan consisting of a 4,800-seat multi-purpose arena and a theater. It was designed by Alden B. Dow and built in 1960 for $3.5 million (equivalent to $34.6 million in 2022). The exterior of the complex is faced with red brick with limestone accents.