Arlington, Virginia, is a historically significant community located just across the Potomac River from Washington, D.C. It’s known for landmarks like the Arlington National Cemetery and the Pentagon, but there's much more to this city than its well-known attractions. From its rich history to modern-day quirks, Arlington is full of fascinating details that even locals might not know. Let’s take a closer look at some surprising facts about this unique area.

Arlington County wasn’t always part of Virginia. In fact, it was originally part of the land designated for the nation’s capital. In 1791, a 10-square-mile area on the southern side of the Potomac River was ceded by Virginia to become part of the District of Columbia. However, in 1846, the land was retroceded to Virginia after a vote by local residents, making Arlington part of the state again.

The historic Arlington House, located in Arlington National Cemetery, was the home of Mary Custis Lee, wife of Confederate General Robert E. Lee. Before it became a memorial and cemetery, the estate was a thriving plantation. The federal government seized the property during the Civil War, eventually converting it into the nation’s most famous burial ground. (*Source: [Stay Arlington](https://www.stayarlington.com/things-to-do/history/)*)

Arlington National Cemetery was created during the Civil War in 1864 as a solution to overcrowded cemeteries in Washington, D.C. At first, it was meant to be a burial site for soldiers who died in battle, but over the years, it has become the final resting place for over 400,000 active-duty military members, veterans, and their families.

Arlington’s modern layout and development were shaped by its innovative approach to public transportation. The introduction of the Metro system in the 1970s allowed for the growth of several walkable, transit-oriented urban villages, such as Ballston and Clarendon. These neighborhoods are prime examples of smart growth strategies in urban planning.

Before the 20th century, Arlington was primarily rural farmland. However, after World War II, the county experienced rapid suburbanization. Housing developments expanded, and Arlington transformed into a bustling community. Today, it’s one of the most densely populated counties in the United States.

Unlike other counties in Virginia, Arlington doesn’t have any incorporated cities or towns. Instead, the entire county operates as one unified jurisdiction. This streamlined structure allows for more efficient local governance and planning.

One of the most famous landmarks in Arlington is the Pentagon. Completed in 1943, it remains the largest office building in the world, with over 6.5 million square feet of space. Approximately 23,000 military and civilian employees work within its walls.

While Arlington National Cemetery is a prominent feature, many don’t realize that it is also home to several memorials, including the Women in Military Service for America Memorial and the Tomb of the Unknown Soldier. These sites honor the contributions of military personnel throughout U.S. history.

Arlington’s Rosslyn-Ballston Corridor is recognized worldwide as a model of smart growth urban planning. Developed around five Metro stations, the area is a blend of residential, commercial, and retail spaces, all within walkable neighborhoods. This design has earned Arlington multiple accolades for its sustainable development practices.

Arlington is known for its cultural diversity. A significant portion of its residents come from different countries around the world. More than 100 languages are spoken in local schools, contributing to the multicultural fabric of the community.

Arlington has consistently been ranked as one of the best places for young professionals to live. Its proximity to Washington, D.C., combined with a thriving job market, diverse dining, entertainment options, and accessible public transportation, makes it a popular location for millennials looking to build their careers.

Many people associate the Marine Corps War Memorial, which features the iconic image of Marines raising the American flag at Iwo Jima, with Washington, D.C., but the memorial is actually located in Arlington, just outside of Rosslyn. This memorial honors all Marines who have died in service to the United States since 1775.

Arlington County is committed to sustainability and environmental protection. It has received multiple awards for its efforts in green building, energy efficiency, and sustainable transportation options, including bike-sharing programs and electric vehicle charging stations.

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Ready to explore real estate in Arlington, VA? Contact the Keri Shull Team today to begin the search for your dream home.