1. The Great Wall of China
The Great Wall of China is a series of fortifications made of stone, brick, tamped earth, wood, and other materials. It was built to protect the Chinese states and empires against invasions and raids.
2. Maginot Line
The Maginot Line was a line of concrete fortifications, obstacles, and weapon installations built by France in the 1930s to deter invasion by Germany. It showcased innovative defensive strategies.
3. Panama Canal
The Panama Canal is an engineering marvel that connects the Atlantic Ocean to the Pacific Ocean. It revolutionized global trade by providing a shortcut for ships to avoid the lengthy journey around South America.
4. Normandy Beach Landings
The Normandy Beach Landings during World War II involved the construction of temporary harbors, known as Mulberry harbors, to facilitate the rapid unloading of troops and supplies. This engineering feat played a crucial role in the success of the Allied invasion.
5. Bunker Hill Monument
The Bunker Hill Monument in Boston commemorates the Battle of Bunker Hill during the American Revolutionary War. It stands as a symbol of American resilience and determination in the face of adversity.
6. Hoover Dam
The Hoover Dam is a concrete arch-gravity dam on the border between the U.S. states of Nevada and Arizona. It provides water and hydroelectric power to the southwestern United States, showcasing the ingenuity of American engineering.
7. Hadrian's Wall
Hadrian's Wall was a defensive fortification in Roman Britain that stretched across the width of the country. It marked the northern boundary of the Roman Empire and demonstrated Roman engineering prowess.
8. USS Arizona Memorial
The USS Arizona Memorial in Pearl Harbor, Hawaii, honors the sailors and Marines who lost their lives during the attack on Pearl Harbor. It serves as a reminder of the sacrifices made in defense of freedom.
9. Fortifications of Malta
The fortifications of Malta are a series of defensive walls, forts, and towers built by the Knights of St. John to protect the island from invasion. These structures have withstood centuries of attacks and remain a testament to military engineering.
10. The Iron Dome
The Iron Dome is a missile defense system developed by Israel to intercept and destroy short-range rockets and artillery shells fired from Gaza and Lebanon. It has proven highly effective in protecting Israeli civilians from incoming threats.