"National monument" is a term that describes protected monuments that have a historic value considered to be higher than their regional boundaries. The United States Congress or the President can establish national monuments . The nation is home to dozens and dozens of national monuments.
Fort McHenry is a Baltimore, Maryland historic shrine known for its five-pointed star-shape. Fort McHenry was built between 1799 and 1802, and was established in 1925. The fort, constructed to protect the Port of Baltimore, is notable for its part in the War of 1812. The name of the monument comes from James McHenry, who was an American Revolution military surgeon originally from Ireland.
Jewel Cave is one of the planet's longest caves (with a length of over 153 miles) in southwestern South Dakota in the Black Hills. Jewel Cave consists of cave formations and calcite crystals. Visitors wishing to explore the cave and national monument can take advantage of extensive cave tours. These include scenic, wild caving, historic lantern and discovery tour options.
Castle Clinton is a U.S. monument in bustling downtown New York City, in Manhattan's Battery Park neighborhood. Castle Clinton was constructed as a fortress in 1812 to prevent a British invasion. Over the decades, the monument has worn many hats, including fort, opera house, immigration station and aquarium. Visitors can take advantage of guided tours of the monument. An exhibit room depicts Castle Clinton's extensive history through dioramas.
Walnut Canyon is in the southwestern state of Arizona's northern region, just a short drive from Flagstaff. Walnut Canyon features cliff dwellings built by the Sinagua peoples from the Pre-Columbian era. They constructed dwellings deep into the walls of the canyon. Visitors to the national monument may explore both the rim and the island trails.
Rainbow Bridge is one of the planet's highest natural bridges, located in Utah's southern region, close to the Arizona border. Native American tribes of the region considered Rainbow Bridge to be sacred throughout their history . The bridge is constructed out of sandstone and is situated at the Navajo Mountain's feet, amidst quiet canyons.
